US Pat. No. 9,381,936

STEERING-COLUMN DEVICE

JTEKT CORPORATION, Osaka...

1. A steering column device comprising:
a fixed bracket which is fixed to a vehicle body-side member and includes a first plate, wherein a pair of first holes, each
of which is an elongated hole extending parallel to a column movement direction at the time of a secondary collision, and
which are spaced apart from each other in a direction orthogonal to the column movement direction, are formed in the first
plate;

a movable jacket which rotatably supports a steering shaft having a steering member connected to one end of the steering shaft;
a movable bracket which supports the movable jacket so as to move in the column movement direction along with the movable
jacket at the time of the secondary collision and includes a second plate facing the first plate, wherein a pair of second
holes respectively facing the pair of first holes are formed in the second plate;

a pair of suspension shafts which are inserted into a corresponding first hole and a corresponding second hole, connect the
first plate and the second plate, thereby suspending the movable jacket through the movable bracket, and are configured to
move along the corresponding first hole at the time of the secondary collision; and

a connection and separation mechanism which is disposed only between the pair of first holes in the direction orthogonal to
the column movement direction, thereby connecting the second plate to a predetermined position of the first plate, and separates,
at the time of the secondary collision, the second plate from the predetermined position in the column movement direction,

wherein the connection and separation mechanism includes a resin pin, and
the resin pin is provided as one pin or provided as a plurality of pins in a single row lined up in the column movement direction.

US Pat. No. 9,398,724

CONTROL DEVICE AND MOTOR UNIT INCLUDING THE CONTROL DEVICE

JTEKT CORPORATION, Osaka...

1. A control device including a circuit board and a housing, wherein
the housing has a supporting wall portion that supports the circuit board, and
the circuit board includes:
a first substrate portion that is arranged on the supporting wall portion, has a first main surface, and has one of a heating
element and a heat dissipation component;

a second substrate portion that has a second main surface facing the first main surface of the first substrate portion, and
has the other one of the heating element and the heat dissipation component, the heat dissipation component and the heating
element facing each other; and

a connecting portion that connects an end portion of the first substrate portion with an end portion of the second substrate
portion.

US Pat. No. 9,381,935

STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device comprising:
a steering member;
a steering shaft, to one end of which the steering member is coupled;
a steering column including an outer tube and an inner tube that are fitted so as to be relatively slidable with respect to
each other, the steering column supporting the steering shaft and being contractable upon a secondary collision; and

a rotation restriction mechanism that restricts rotation of the inner tube, wherein:
the outer tube includes a first opening;
the inner tube includes a second opening, the second opening including a pair of rotation restricted edge portions that face
each other in a circumferential direction and a driving edge portion that crosses the pair of rotation restricted edge portions;

the rotation restriction mechanism includes
a support shaft, a position of which with respect to the outer tube is not varied upon the secondary collision,
a restriction member supported on an outer periphery of the support shaft so as to be relatively rotatable, the restriction
member being displaceable between an inserted position at which the restriction member is inserted into the second opening
through the first opening and a retracted position at which the restriction member is retracted from the second opening, and

an urging member that urges the restriction member toward the inserted position;
the restriction member includes
a rotation restricting portion that engages with a corresponding one of the rotation restricted edge portions at the inserted
position to restrict relative rotation between the outer tube and the inner tube, and

a driven portion that engages with the driving edge portion upon the secondary collision; and
the driving edge portion is configured to drive the restriction member toward the retracted position via the driven portion
upon the secondary collision.

US Pat. No. 9,373,560

DRIVE CIRCUIT DEVICE

JTEKT CORPORATION, Osaka...

1. A drive circuit device comprising:
a circuit board in which a drive circuit is formed, the drive circuit including a plurality of switching arms connected in
parallel, and each of the switching arms including a first switching element and a second switching element that are connected
in series; and

a heat-dissipating unit that dissipates heat of the circuit board to an outside,
wherein the circuit board is a board having a multilayer structure in which multiple circuit conductor layers are stacked
with insulating layers being interposed between the circuit conductor layers, the circuit conductor layers including circuit
patterns made of a conductive material,

wherein the first switching elements and the second switching elements are provided in the circuit board so that a circuit
conductor layer of the circuit conductor layers is sandwiched from both sides in the stacking direction between all of the
first switching elements and all of the second switching elements so that heat from each of the first switching elements dissipates
through the circuit conductor layer and heat from each of the second switching elements also dissipates through the circuit
conductor layer,

wherein a region in which the first switching elements are positioned and a region in which the second switching elements
are positioned overlap each other in a stacking direction,

wherein a lead-out portion is formed at the circuit pattern of the circuit conductor layer interposed between the first switching
elements and the second switching elements, and

wherein the lead-out portion extending from the circuit board in a direction orthogonal to the stacking direction, and being
connected to the heat-dissipating unit so that heat is transferred to the heat-dissipating unit.

US Pat. No. 9,198,128

METHOD AND APPARATUS FOR DISCONTINUOUS TRANSMISSION/RECEPTION OPERATION FOR REDUCING POWER CONSUMPTION IN CELLULAR SYSTEM

ELECTRONICS AND TELECOMMU...

1. A method for discontinuously transmitting and/or receiving packet data to reduce power consumption of a terminal in a cellular
system, comprising:
establishing discontinuous reception and/or transmission (DRX/DTX) parameters including DRX/DTX cycle information for terminals
in an active state in which the terminals are capable of transmitting or receiving data; and

performing DRX/DTX based on the DRX/DTX parameters for the terminals operating the DRX/DTX in the active state,
wherein the terminals operate in the active state or an idle state.

US Pat. No. 9,239,098

PLANET ROLLER SPEED CHANGER

JTEKT CORPORATION, Osaka...

1. A planet roller speed changer comprising:
an input shaft;
a stationary ring disposed around the input shaft so as to be concentric with the input shaft;
a plurality of cylindrical planet rollers that are in rolling contact with both the input shaft and the stationary ring;
an output shaft; and
a carrier having a plurality of shaft portions each of which is disposed in a corresponding one of the planet rollers, passes
through the corresponding one of the planet rollers, and supports the corresponding one of the planet rollers in a loosely
fitted state such that the corresponding one of the rollers is rotatable, the carrier being fixed to the output shaft so as
to be rotatable together with the output shaft, wherein

the shaft portions of the carrier are disposed such that, when the carrier is displaced in a direction that intersects with
an axial direction of the output shaft, an outer periphery of at least one of the shaft portions that are displaced with the
displacement of the carrier contacts a stationary ring-side portion of an inner periphery of the corresponding planet roller
without contacting an input shaft-side portion of the inner periphery of the corresponding planet roller;

each of the shaft portions has an outer peripheral face formed of a cylindrical face;
a pitch circle diameter of the carrier, the pitch circle diameter being defined by the shaft portions, is set larger than
a value obtained by doubling an inter-axis distance between the input shaft and each of the planet rollers; and

a clearance between each shaft portion and a corresponding one of the planet rollers on the input shaft-side portion is larger
than a clearance between each shaft portion and a corresponding one of the planet rollers on the stationary ring-side portion.

US Pat. No. 9,133,891

FRICTION CLUTCH PLATE, FRICTION CLUTCH AND DRIVING FORCE TRANSMISSION APPARATUS

JTEKT Corporation, Osaka...

1. A friction clutch plate that is arranged to face a contact object so as to be relatively rotatable and relatively movable,
comprising:
a contact surface configured to be able to contact the contact object via lubricant; and
a minute groove open at the contact surface and formed of a plurality of groove portions having a predetermined groove pitch,
wherein

a ratio of a contact area of the contact surface to an area obtained by adding an opening area of the minute groove to the
contact area of the contact surface is 90% to 96% in an initial state,

wherein the minute groove is set such that the groove pitch of the plurality of groove portions falls within the range of
400 ?m to 600 ?m, and

wherein each of the groove portions has a shape in cross section perpendicular to an extending direction of the groove portions
whose width becomes smaller toward a bottom of the groove, such that the ?-v gradient with respect to an area ratio of the
sliding surface has a non-negative value.

US Pat. No. 9,376,135

STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device by comprising:
a steering shaft having one end connected to a steering member, the steering shaft being extendable in an axial direction;
a steering column that has an upper column provided on a side of the steering member and a lower column provided on a side
opposite to the side of the steering member, the steering column rotatably supporting the steering shaft with the upper column
and the lower column and allowing for telescopic adjustment of the steering member by relative displacement of the upper column
in the axial direction with respect to the lower column;

a support bracket that is provided with an insertion hole elongated in the axial direction, the insertion hole extending in
an orthogonal direction that is a lateral direction orthogonal to the axial direction, and the support bracket being fixed
to the upper column;

a movable tooth member that has a first tooth composed of a plurality of teeth aligned along the axial direction in a rack-shape,
and that is inserted into the insertion hole with play in the axial direction to be elastically displaceable to both sides
in the axial direction from a predetermined neutral position;

a stationary tooth member that has a second tooth provided with teeth engageable with the first tooth, and that is arranged
so as to face the movable tooth member in the orthogonal direction; and

a lock and release mechanism that moves the stationary tooth member in the orthogonal direction to allow the stationary tooth
member to be brought into contact with the movable tooth member or to be separated from the movable tooth member, thereby
allowing the second tooth to engage with the first tooth to lock the upper column in the axial direction, or releasing engagement
between the first tooth and the second tooth to release lock of the upper column.

US Pat. No. 9,046,429

TORQUE SENSOR

JTEKT CORPORATION, Osaka...

1. A torque sensor including a first resolver that outputs a signal corresponding to a rotation angle of a first rotor fitted
on an outer periphery of a first rotary shaft, and a second resolver that outputs a signal corresponding to a rotation angle
of a second rotor fitted on an outer periphery of a second rotary shaft that is coupled to the first rotary shaft via a torsion
bar, the torque sensor detecting a torque exerted on the first rotary shaft or the second rotary shaft based on the signals
output from the first resolver and the second resolver, wherein
a first junction between the first rotary shaft and the first rotor and a second junction between the second rotary shaft
and the second rotor are formed so as to have different shapes or different sizes.

US Pat. No. 9,404,530

BEARING CUP AND CROSS SHAFT JOINT

JTEKT CORPORATION, Osaka...

1. A bearing cup of a cross shaft joint, the cross shaft joint including a cross shaft having four shaft portions arranged
in a cross shape; and a joint yoke having fitting holes into which the four shaft portions are respectively fitted, the bearing
cup comprising:
a cylindrical portion, in which an opening portion for receiving a shaft portion of the four shaft portions is formed in one
end of the cylindrical portion in an axis direction; and

a bottom portion that closes the other end of the cylindrical portion in the axis direction, wherein
the bearing cup is adapted to be press-fitted into the fitting hole and supports the shaft portion through a rolling element
so that the shaft portion is able to rotate,

the bearing cup is adapted to be fitted onto the shaft portion inside the fitting hole and adapted to hold the rolling element
with the shaft portion,

a radial direction diameter of an inner peripheral surface of the cylindrical portion is smaller on the opening portion side
than the bottom portion side in a free state of the bearing cup before being press-fitted into the fitting hole, and

the diameter of the inner peripheral surface of the cylindrical portion is gradually reduced from the bottom portion to the
opening portion in the free state.

US Pat. No. 9,145,930

ELECTROMAGNETIC ENGAGEMENT APPARATUS

TOYOTA JIDOSHA KABUSHIKI ...

1. An electromagnetic engagement apparatus comprising:
a cam mechanism that has a pair of cam members disposed facing each other in an axis direction, and that produces a thrust
in the axis direction according to a torque difference between the cam members if the torque difference occurs so as to rotate
the cam members in directions opposite to each other;

an attracted member that is attached to one cam member of the cam members so as to rotate integrally together with the one
cam member and be relatively movable in the axis direction;

an attracting member that creates the torque difference by a friction force that is produced by attracting at least one of
the cam members, including the one of the cam members having the attracted member attached thereto, into contact with the
attracting member by a magnetic attraction force, wherein the attracted member is attracted by the attracting member into
contact with the attracting member so that the friction force is produced;

a first return spring that exerts an elastic force on the attracted member in such a direction as to move the attracted member
away from the attracting member against the magnetic attractive force; and

a second return spring that exerts an elastic force on the one cam member in such a direction as to move the one cam member
away from the attracting member against the thrust, wherein

the electromagnetic engagement apparatus is configured to increase an engagement force that unites the cam members together
by increasing the torque difference by using the thrust that presses the one cam member to an attracting member side,

wherein the elastic force of the second return spring is greater than the elastic force of the first return spring.

US Pat. No. 9,109,632

TORQUE LIMITER, VARIABLE TRANSMISSION RATIO DEVICE, AND TOLERANCE RING

JTEKT CORPORATION, Kariy...

1. A tolerance ring comprising:
a ring main body, which is substantially in a ring shape; and
spring-like portions, which are formed on the ring main body and are elastically deformable in a radial direction of the ring
main body, wherein

the spring-like portions comprise a plurality of main protrusions and a plurality of sub-protrusions, a protruding amount
of which is smaller than that of the main protrusions, and

grease is stored in only concavities on the ring main body formed by the sub-protrusions.

US Pat. No. 9,054,560

POWER GENERATING APPARATUS

JTEKT CORPORATION, Osaka...

1. A power generating apparatus including: a main shaft that is rotated by external force; a speed increaser that has a rotation
transmission mechanism that receives rotation of the main shaft and that increases a speed of the rotation and a roller bearing
that supports an output shaft, which outputs rotary torque of the rotation transmission mechanism, such that the output shaft
is rotatable; and a generator that has a drive shaft that rotates upon reception of rotation of the output shaft and that
generates electric power due to rotation of a rotor that rotates together with the drive shaft, comprising:
an input rotor provided so as to be rotatable together with the output shaft;
an output rotor provided so as to be rotatable together with the drive shaft and arranged concentrically with and radially
inward or radially outward of the input rotor;

a one-way clutch that is arranged between the input rotor and the output rotor, that connects the input rotor and the output
rotor to each other such that the input rotor and the output rotor are rotatable together with each other in a state where
a rotation speed of the input rotor is higher than a rotation speed of the output rotor, and that disconnects the input rotor
and the output rotor from each other in a state where the rotation speed of the input rotor is lower than the rotation speed
of the output rotor; and

a rotation speed limiter that disconnects the input rotor and the output rotor from each other when the rotation speed of
the output shaft exceeds a predetermined value in a state where the input rotor and the output rotor are connected to each
other.

US Pat. No. 9,222,525

DRIVING FORCE TRANSMISSION APPARATUS AND CONTROLLER FOR DRIVING FORCE TRANSMISSION APPARATUS

JTEKT CORPORATION, Osaka...

1. A driving force transmission apparatus comprising:
an electric motor;
a clutch including a first friction member and a second friction member that are disposed coaxially with each other so as
to be rotatable relative to each other and that are frictionally engaged with each other by being pressed in an axial direction;

an input rotary member that rotates together with the first friction member;
an output rotary member that rotates together with the second friction member;
a cam thrust force generating mechanism that generates cam thrust force for pressing the clutch in the axial direction upon
reception of torque generated by the electric motor;

a detector that detects reaction force against the cam thrust force; and
a buffer that buffers an impact transmitted from the cam thrust force generating mechanism to the detector.

US Pat. No. 9,206,860

CLUTCH PLATE AND METHOD OF PRODUCING SAME

JTEKT CORPORATION, Osaka...

1. A clutch plate in an annular shape, the clutch plate comprising:
a plurality of lubricating grooves on one end face and the other end face of the clutch plate in an axial direction; and
a plurality of windows provided radially between outer and inner peripheral edges of the end faces, the windows passing through
the clutch plate in the axial direction, wherein

the lubricating grooves are formed with plastic deformation, in a same phase on both the end faces, and extended up to the
outer peripheral edges and inner peripheral edges of both the end faces, and

a plurality of intersection points where the lubricating grooves intersect with each other are positioned only in other areas
than radially outer edges of the windows and radially inner edges of the windows.

US Pat. No. 9,051,964

TAPERED ROLLER BEARING APPARATUS AND HUB UNIT

JTEKT Corporation, Osaka...

1. A tapered roller bearing apparatus comprising:
an outer ring that includes an outer-ring raceway formed in an inner circumferential surface thereof;
an inner ring which includes a large-diameter portion including a cylindrical portion with a substantially uniform outer diameter,
a large rib portion including an outer circumferential surface and a guide surface continued to the outer circumferential
surface, an inner-ring raceway, and a small-diameter cylindrical portion which are sequentially formed from one end to the
other end, and are subjected to a heat treatment to have a surface-hardened layer;

a plurality of tapered rollers which are rollably disposed between the inner-ring raceway and the outer-ring raceway, a large-diameter
end surface of the tapered roller being guided by the guide surface,

wherein an angle formed between the guide surface and the outer circumferential surface is obtuse, and
wherein an angle a formed between a line parallel to an, axis and the outer circumferential surface of the large rib portion
is in a range of 45°

US Pat. No. 9,227,657

VEHICLE STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A vehicle steering system comprising:
a switch used to return a steered angle of steered wheels to a neutral position;
a steering angle sensor that detects a steering angle of a steering member; and
a motor controller that controls a steered system motor based on the steering angle detected by the steering angle sensor
and an output signal from the switch, wherein:

the vehicle steering system is a vehicle steering system in which there is no mechanical connection between the steering member
operated for steering and a steering mechanism that changes the steered angle of the steered wheels, and the steering mechanism
is driven by the steered system motor,

in a state where a turning amount of the steering member from a turning angle of the steering member corresponding to the
neutral position of the steered wheels is within a prescribed range, operation of the switch causes a neutral position return
controller of the motor controller to control the steered system motor such that the steered angle of the steered wheels is
changed toward a steered angle corresponding to the neutral position of the steered wheels, and

in a state where the turning amount of the steering member is outside the prescribed range, the operation of the switch causes
no change in the steered angle of the steered wheels.

US Pat. No. 9,272,727

STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A steering system comprising:
a housing;
a rack shaft extending in an axial direction so as to pass through the housing and including a first rack and a second rack
on an outer circumference of the rack shaft so that the first rack and the second rack are separated from each other in the
axial direction, the first rack and the second rack having respective helical teeth inclined toward a same direction relative
to the axial direction;

a first pinion shaft including a first pinion that has helical teeth and meshes with the first rack;
a second pinion shaft including a second pinion that has helical teeth and meshes with the second rack, the first pinion shaft
and the second pinion shaft being disposed on a same side of the rack shaft relative to a plane that extends along a central
axis of the rack shaft, and a central axis of the second pinion shaft being parallel to a central axis of the first pinion
shaft; and

a rack bush disposed between the first pinion shafts shaft and the second pinion shaft in the axial direction of the rack
shaft, the rack bush further being disposed closer to the first pinion shaft than a central position defined between the first
pinion shaft and the second pinion shaft in the axial direction of the rack shaft, the rack bush being held by the housing
so as to support the rack shaft slidably in the axial direction, and the rack bush being configured to limit a movement of
the rack shaft in a direction parallel to both the central axis of the first pinion shafts shaft and the central axis of the
second pinion shaft.

US Pat. No. 9,175,680

ELECTRIC OIL PUMP SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric oil pump system, comprising:
an oil pump;
an electric motor that is arranged next to the oil pump in an axial direction, and that rotates the oil pump;
a housing of the oil pump and an electric motor housing being fastened together via a stator of the electric motor;
a cylindrical fixing member that is formed of a metal member and that fixes a stator core of the stator arranged radially
inward of the cylindrical fixing member;

a hole extending through the stator core in the axial direction; and
a fastener disposed in the hole, secured to the oil pump, and directly secured in contact with a side of the stator core opposite
the oil pump;

the cylindrical fixing member being engaged with the housing of the oil pump and fixing the stator.

US Pat. No. 9,415,793

STEERING APPARATUS

JTEKT CORPORATION, Osaka...

1. A steering apparatus comprising:
a fixed side plate which is fixed to a body;
a column side plate which is fixed to a steering column which supports a steering shaft rotatably;
a fastening shaft which is inserted through fastening shaft insertion slots which are respectively provided in the fixed side
plate and the column side plate;

an operation lever which is operated to rotate about a center axis of the fastening shaft;
a first member which is supported by the fastening shaft and which rotates about the center axis together with the operation
lever;

a second member which is supported by the fastening shaft and which is restricted from rotating by the fastening shaft insertion
slots;

a third member which is supported by the fastening shaft and which is interposed between the first member and the second member;
a friction reducing mechanism which is interposed between the second member and the third member and which thrust supports
the third member so that the third member rotates relative to the second member; and

a cam mechanism which attains locking by fastening the fixed side plate to the column side plate and which includes
a pair of axially facing surfaces which are provided on the first member and the third member and which face each other in
an axial direction of the fastening shaft,

a cam surface which is formed on an axially facing surface of the first member,
a plurality of rolling elements which roll between both axially facing surfaces in association with a relative rotation of
the first member and the third member, and

a retainer which holds the rolling elements and which is restricted from rotating about the center axis by the second member,
wherein the friction reducing mechanism functions to make a rotating resistance of the third member relative to the second
member smaller than a reaction force which the third member receives as a result of a rolling resistance of the rolling elements.

US Pat. No. 9,228,612

TAPERED ROLLER BEARING

JTEKT CORPORATION, Osaka...

1. A tapered roller bearing comprising:
an outer ring including a tapered outer raceway surface formed on an inner peripheral face of the outer ring;
an inner ring including a tapered inner raceway surface formed on an outer peripheral face of the inner ring;
a plurality of tapered rollers rollably disposed between the outer raceway surface and the inner raceway surface; and
a cage holding the plurality of tapered rollers at equal intervals in a circumferential direction of the tapered roller bearing,
the cage including:

a small-diameter-side inner periphery end portion located at a position inward of an axially outer end face of the inner ring
in an axial direction of the tapered roller bearing,

a small-diameter-side end face including an inwardly tilted face and an outwardly tilted face, the inwardly tilted face being
tilted inward in the axial direction of the tapered roller bearing with respect to the inner periphery end portion from a
radially inner side to a radially outer side, and

a small-diameter-side outer periphery end portion including a corner at which the outwardly tilted face and a small-diameter-side
outer peripheral face meet each other at an acute angle.

US Pat. No. 9,297,877

ABNORMALITY DETECTION SYSTEM FOR ROTATION ANGLE SENSOR

JTEKT CORPORATION, Osaka...

1. An abnormality detection system for a rotation angle sensor, comprising:
a magnetic sensor that generates four electrical signals having different phases in accordance with rotation of a rotary shaft
that is a sensing target;

a temperature sensor that detects an ambient temperature of the magnetic sensor, and
a control circuit that computes a rotation angle of the rotary shaft based on the four electrical signals generated by the
magnetic sensor, wherein

the four electrical signals include positive and negative two sine signals having a phase difference of 180° and positive
and negative two cosine signals having a phase difference of 180°,

the control circuit has
a first detection function of detecting a fact that an abnormality has occurred in any one of the positive and negative two
sine signals or in any one of the positive and negative two cosine signals based on a value of a sum of the positive and negative
two sine signals and a value of a sum of the positive and negative two cosine signals, and

a second detection function of detecting a fact that an abnormality has occurred in any one of the positive sine signal and
the positive cosine signal or in any one of the negative sine signal and the negative cosine signal by comparing a first temperature
computed based on a correlation between a temperature and an amplitude acquired from a value of a sum of squares of the positive
sine signal and the positive cosine signal, a second temperature computed based on a correlation between a temperature and
an amplitude acquired from a value of a sum of squares of the negative sine signal and the negative cosine signal, and a third
temperature detected by the temperature sensor with each other, and

the control circuit identifies which of the four electrical signals is abnormal by comparing results of detection obtained
by the first detection function and the second detection function with each other.

US Pat. No. 9,297,474

SOLENOID VALVE

JTEKT CORPORATION, Osaka...

1. A solenoid valve, comprising:
a tubular sleeve that has a supply port to which hydraulic fluid is supplied and an output port that outputs the hydraulic
fluid;

a spool valve that is housed in a valve hole formed in the sleeve so as to be movable in an axial direction of the solenoid
valve, and that changes a flow passage area between the supply port and the output port by moving in the axial direction;

a solenoid portion that operates upon reception of a supply of exciting current to push the spool valve toward one axial side;
and

an elastic member that urges the spool valve toward the solenoid portion, wherein
a housing portion that is a bottomed hole is formed in an end portion of the spool valve so as to extend along a central axis
of the spool valve, the end portion being on an opposite side of the spool valve from the solenoid portion, and a columnar
piston member is slidably housed in the housing portion,

the spool valve has an introduction hole through which a pressure of the hydraulic fluid output from the output port is introduced
into a space between a bottom face of the housing portion and one end face of the piston member,

an opening in an end portion of the sleeve, the end portion being on an opposite side of the sleeve from the solenoid portion,
is closed by a plug,

the plug has a protrusion that protrudes toward the spool valve and that is formed at a center portion of the plug, and a
distal end face of the protrusion faces the other end face of the piston member, and

the distal end face of the protrusion of the plug is located in the housing portion of the spool valve regardless of weather
the solenoid portion is in a non-operating state or in an operating state.

US Pat. No. 9,446,788

BALL SCREW MECHANISM AND STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A ball screw mechanism comprising:
a screw shaft, on an outer peripheral surface of which a spiral screw shaft-side rolling groove is formed;
a cylindrical nut, on an inner peripheral surface of which a spiral nut-side rolling groove that faces the screw shaft-side
rolling groove is formed; and

a plurality of balls disposed in a rolling passage that is a space surrounded by the screw shaft-side rolling groove and the
nut-side rolling groove, wherein

the nut is provided with:
shift portions provided at both ends of the nut-side rolling groove to shift a track of the nut-side rolling groove in an
axial direction of the screw shaft from the screw shaft-side rolling groove and to displace the nut-side rolling groove to
be deeper in a radial direction of the screw shaft as the track of the nut-side rolling groove is shifted;

a circulation passage that connects between the shift portions provided at both ends of the nut-side rolling groove; and
passage entrances that are each an entrance of a passage that connects between the shift portion and the circulation passage,
and

the passage entrances are each positioned, in the axial direction of the screw shaft, between a starting position of the shift
portion and a position facing an outermost periphery of a screw thread that is adjacent to the screw shaft-side rolling groove
which faces the starting position of the shift portion.

US Pat. No. 9,291,163

PUMP HAVING FITTING PORTIONS

JTEKT CORPORATION, Osaka...

1. A pump that is fitted to bosses protruding from a fitting target portion, the pump comprising:
a housing having an interior in which a pump chamber that is a columnar space is defined, and a suction-side groove and a
discharge-side groove are formed at a predetermined interval in a circumferential direction of a bottom of the pump chamber
so as to be recessed in the bottom of the pump chamber;

an outer rotor provided in the pump chamber for rotation about an axis of rotation, and includes internal teeth formed at
an inner peripheral side of the outer rotor;

an inner rotor that is provided inside the internal teeth, the inner rotor including external teeth that mesh with the internal
teeth and are formed at an outer peripheral side of the inner rotor;

fitting portions, that are fitted to the bosses, formed on an outer surface of the housing, which outer surface is spaced
from the housing interior in a thickness direction of the housing and which thickness direction is parallel to the direction
of the axis of rotation, to protrude outward in the direction of the axis of rotation such that the fitting portions cause
the outer surface of the housing to protrude farther away from the housing interior in the direction of the axis of rotation
at locations of the fitting portions;

a space provided between the fitting target portion and the housing, by the protruding fitting portions and the protruding
bosses, the space extending in the direction of the axis of rotation;

a protruding portion protruding outward from the housing in the direction of the axis of rotation and into said space; and
a relief valve provided in the protruding portion, wherein the relief valve discharges fluid from the discharge-side groove
when pressure in the discharge-side groove is equal to or higher than predetermined pressure.

US Pat. No. 9,266,522

DRIVING FORCE TRANSMISSION CONTROLLER AND VEHICLE CONTROL METHOD

JTEKT CORPORATION, Osaka...

1. A driving force transmission controller comprising:
a normal turning control unit that computes driving force transmission command values such that driving force transmitted
to an outer wheel in a turning direction, out of right and left rear wheels, is larger than driving force transmitted to an
inner wheel in the turning direction, out of the right and left rear wheels, during normal turning in which the turning direction
of a vehicle is the same as a steered direction of front wheels;

a counter-steering control unit that estimates the turning direction based on a slip angle and computes the driving force
transmission command values such that the driving force transmitted to the outer wheel in the estimated turning direction
is larger than the driving force transmitted to the inner wheel in the estimated turning direction during counter-steering
in which the turning direction of the vehicle is opposite to the steered direction of the front wheels;

a counter-steering return control unit that corrects the driving force transmission command values such that a rate of change
in each of the driving forces transmitted to the right and left rear wheels is lower than a rate of change in a steered angle
of the front wheels when a steering wheel is operated in a returning direction at a velocity equal to or higher than a prescribed
value during the counter-steering; and

a driving force transmission control unit that controls a driving force transmission device to transmit driving force generated
by a drive source of the vehicle to the right and left rear wheels such that a ratio between driving force transmitted to
the right rear wheel and driving force transmitted to the left rear wheel is variable based on the driving force transmission
command values.

US Pat. No. 9,243,663

ROLLING BEARING AND POWER TRANSMISSION DEVICE INCLUDING ROLLING BEARING

JTEKT CORPORATION, Osaka...

1. A rolling bearing comprising:
an inner ring;
an outer ring coaxially disposed around an outer peripheral surface of the inner ring with an annular space between the inner
ring and the outer ring;

a plurality of rolling elements rollably disposed in the annular space;
a cage that retains the rolling elements; and
a bubble generating mechanism that generates bubbles in liquid lubricant during bearing rotation, wherein the liquid lubricant
flows through the annular space.

US Pat. No. 9,446,787

BALL SCREW DEVICE, POWER TRANSFER MECHANISM, ELECTRIC POWER STEERING APPARATUS, AND METHOD FOR MANUFACTURING BALL SCREW DEVICE

JTEKT CORPORATION, Osaka...

1. A ball screw device comprising:
a threaded shaft with a groove formed on an outer peripheral surface of the shaft; and
a cylindrical nut whose screw-thread mates with the groove on the threaded shaft via a plurality of balls, wherein
the nut comprises a pair of mounting holes in each of which a deflector is installed, and a communication groove that allows
the mounting holes to communicate with each other,

an opening of the communication groove is formed on an outer peripheral surface of the nut, and the balls are able to roll
through the communication groove, and

a width of the opening of the communication groove is smaller than a diameter of the balls, the communication groove extends
in a direction parallel to an axis of the nut and connects the mounting holes together.

US Pat. No. 9,227,656

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
an electric motor disposed parallel to a rack shaft;
a speed reducer including a pulley provided on a shaft portion of the electric motor and a pulley provided on a ball nut rotatably
fitted to a ball screw shaft portion of the rack shaft, the pulley provided on the shaft portion and the pulley provided on
the ball nut being connected to each other so that torque is transmittable between the pulleys;

a rack housing that houses the speed reducer and a main portion of the rack shaft; and
a drainage device disposed below the speed reducer housed in the rack housing,
wherein driving force produced by the electric motor is transmitted to the rack shaft via the speed reducer, and
wherein the drainage device has a drain valve made of an elastic member, and a drain case having a case inlet that communicates
with an internal space of the rack housing and a case outlet that communicates with an outside of the rack housing, wherein

the drain case has a groove portion formed in a peripheral edge portion of an inner face of the case inlet,
the drain valve comprises a main body formed in a columnar shape, the columnar shape having (1) a first end that is proxminal
to and faces the case inlet, and (2) a second end that is distal from and faces away from the case inlet, the main body being
fixed to the drain case,

the drain valve further comprises a flange formed at the first end of the columnar shape of the main body and disposed so
as to face the case inlet,

the flange has a bulged portion formed at a center portion of the flange and bulged toward the case inlet, an annular seal
portion formed at a peripheral edge portion of the flange, and an annular intermediate portion between the bulged portion
and the annular seal portion, the annular intermediate portion having an upper surface facing the case inlet and a lower surface
facing away from the case inlet, the lower surface of the annular intermediate portion sloping down from the first end towards
the second end with increasing distance from an central axis of the columnar shape, the central axis extending between the
first end and the second end, the lower surface of the annular intermediate portion being closer to the case inlet than the
second end, the bulged portion being located at the first end of the columnar shape of the main body, the second end of the
columnar shape of the main body protruding away from the flange in a direction away from the inlet,

when the seal portion is brought into tight contact with the peripheral edge portion of the inner face of the case inlet,
the drainage device is placed in a valve closed state to form an annular space between the groove portion and the seal portion,
and

when the seal portion is elastically deformed to form a gap between the seal portion and the peripheral edge portion of the
inner face of the case inlet, the drainage device is placed in a valve open state.

US Pat. No. 9,199,302

ASSEMBLY JIG FOR PINS FOR POWER TRANSMISSION CHAIN

JTEKT CORPORATION, Osaka...

1. An assembly jig for pins, comprising:
a jig body in which pin insertion recesses, into which respective pairs of pins are inserted, are aligned at predetermined
intervals, wherein

the jig body has urging device installation recesses formed so as to be contiguous with the respective pin insertion recesses,
in each urging device installation recess, there is arranged an urging device that urges a lower end portion of the pin fitted
in the pin insertion recess in a direction perpendicular to an axial direction of the pins,

each urging device installation recess has an elongated shape and narrower width as compared to the pin insertion recesses,
and

a base end of the urging device is fixed to the jig body.

US Pat. No. 9,243,673

DRIVING FORCE TRANSMISSION CONTROL APPARATUS

JTEKT CORPORATION, Osaka...

1. A driving force transmission control apparatus comprising:
an outer rotary member having an inner peripheral surface in which a plurality of inner peripheral spline teeth is formed,
the inner peripheral spline teeth extending in a direction of a rotation axis;

an inner rotary member supported inside the outer rotary member so as to be coaxially rotatable relative to the outer rotary
member, and having an outer peripheral surface in which a plurality of outer peripheral spline teeth is formed, the outer
peripheral spline teeth extending in the direction of the rotation axis;

a multiple disc clutch including a plurality of outer clutch plates engaged with the inner peripheral spline teeth so as to
be axially movable, and a plurality of inner clutch plates engaged with the outer peripheral spline teeth so as to be axially
movable, the outer clutch plates and the inner clutch plates being alternately arranged in the direction of the rotation axis;

a pressing mechanism that presses the multiple disc clutch in the direction of the rotation axis; and
a control portion that controls the pressing mechanism, wherein the control portion makes a determination as to whether the
multiple disc clutch is in a first operating condition in which the multiple disc clutch is pressed with a relative rotation
speed between the outer rotary member and the inner rotary member being equal to or higher than a predetermined value, or
in a second operating condition in which the multiple disc clutch is pressed with the relative rotation speed being lower
than the predetermined value, and the control portion controls the pressing mechanism based on a result of the determination.

US Pat. No. 9,216,531

RING VALVE GATE MOLD DEVICE

JTEKT CORPORATION, Osaka...

1. A ring valve gate mold device adapted for molding an annular resin product, the ring valve gate mold device comprising:
a first mold and a second mold that are disposed so as to be allowed to be joined together and separated from each other;
an annular cavity adapted for forming an annular product, the cavity being formed in at least one of the first mold and the
second mold;

a supply passage disposed at a position radially outward of a core cylinder and through which molten resin is supplied via
a circular gate connected to an entire circumference of the annular cavity; and

a valve body that opens and closes the circular gate of the supply passage, wherein
the first mold comprises as components, disposed in order from the center toward the outside in the radial direction, the
core cylinder, an upper shaft portion thereof, a lower portion of the valve body, a sleeve body, and a main mold,

a lower shaft portion of the core cylinder having a diameter smaller than that of the upper shaft portion, the upper shaft
portion being located above a step portion and the lower shaft portion being located below the step portion, and an inner
cylinder portion of the lower portion of the valve body, which is located below the step portion, is screwed to the lower
shaft portion, so that the core cylinder and the lower portion of the valve body are fixedly fitted together,

a prescribed clearance is formed between the upper shaft portion of the core cylinder and an inner cylinder of an upper portion
of the valve body, the clearance constituting a part of the supply, which supply passage extends from the lower end position
of said part of the supply from the position of the step portion obliquely downward in the radial direction toward the outside
of the lower portion of the valve body, and

the valve body is a tubular sleeve body that moves in an axial direction of the ring valve gate mold device to open and close
the circular gate, and the sleeve body is disposed at a position radially outward of the supply passage connected to the gate.

US Pat. No. 9,126,618

VEHICLE STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A vehicle steering system in which a steering member, which is operated in multiple rotations, and a steered wheel are
not mechanically coupled to each other, the vehicle steering system comprising:
a steering angle sensor that detects a steering angle of the steering member;
a steering direction detection unit that detects only a steering direction of the steering member;
a steered system actuator that drives the steered wheel;
a rotation angle restriction mechanism that restricts a rotation angle of the steering member within a restricted angular
range; and

a control unit that has a normal mode in which drive control is executed on the steered system actuator based on the steering
angle detected by the steering angle sensor and a failure mode in which, when there is a malfunction in the steering angle
sensor, drive control is executed on the steered system actuator based on the steering direction detected by the steering
direction detection unit, wherein

the steering direction unit includes a strain gauge that detects the steering direction by detecting a strain that occurs
in the rotation angle restriction mechanism at any one of a pair of terminal ends of the restricted angular range,

the rotation angle restriction mechanism includes: a rotatable element that is coaxially rotatable together with a rotary
shaft of the steering member; a non-rotatable element that faces the rotatable element in an axial direction of the rotary
shaft; a plurality of plate elements that are interposed between the rotatable element and the non-rotatable element and that
are coaxially rotatable with respect to the rotary shaft; and a plurality of coupling elements, each of which couples adjacent
elements among the non-rotatable element, the plurality of plate elements, and the rotatable element so as to restrict an
amount of relative rotation between the adjacent elements; and

the strain gauge that serves as the steering direction detection unit is arranged at one element among the non-rotatable element,
the rotatable element, the plurality of plate elements and the plurality of coupling elements, and detects a strain that occurs
in the one element.

US Pat. No. 9,126,620

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
an assist motor that generates assist force for assisting steering of a steering member;
a drive control unit that controls driving of the assist motor;
an auxiliary power supply that is electrically connected to an electrical component of a vehicle other than the assist motor
and the drive control unit, one of the assist motor and the drive control unit, and a main power supply electrically connected
to the assist motor;

a power supply control unit that controls supply of electric power from the auxiliary power supply to the electrical component,
wherein the power supply control unit supplies the electric power from the auxiliary power supply to the electrical component
when an amount of electric charge remaining in the auxiliary power supply is equal to or greater than a threshold value in
an engine start-up period in the vehicle; and

a switching circuit including:
a first switching element that switches a state between a state where the electrical component and the auxiliary power supply
are electrically connected to each other and a state where the electrical component and the auxiliary power supply are electrically
disconnected from each other;

a second switching element that switches a state between a state where the main power supply and the auxiliary power supply
are electrically connected to each other and a state where the main power supply and the auxiliary power supply are electrically
disconnected from each other; and

a third switching element that switches a state between a state where the electrical component and the main power supply are
electrically connected to each other and a state where the electrical component and the main power supply are electrically
disconnected from each other,

wherein the power supply control unit controls the first switching element to realize the state where the electrical component
and the auxiliary power supply are electrically connected to each other, controls the second switching element to realize
the state where the auxiliary power supply and the main power supply are electrically disconnected from each other, and controls
the third switching element to realize the state where the electrical component and the main power supply are electrically
disconnected from each other when the amount of electric charge remaining in the auxiliary power supply is equal to or greater
than the threshold value in the engine start-up period.

US Pat. No. 9,231,242

METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND METHOD FOR PRODUCING NEGATIVE ELECTRODE PASTE

TOYOTA JIDOSHA KABUSHIKI ...

1. A method for producing a non-aqueous electrolyte secondary battery, comprising:
subjecting a mixture of a negative-electrode active material on which oil has been adsorbed, wherein an amount of the oil
that is adsorbed on the negative-electrode active material ranges from 50 ml to 62 ml per 100 g of the negative-electrode
active material, and the amount of the oil is an amount at the time when the viscosity characteristics of the negative-electrode
active material exhibits 70% of the maximum torque that is generated when the oil is titrated onto the negative-electrode
active material, carboxymethyl cellulose, wherein a 1% aqueous solution viscosity of the carboxymethyl cellulose ranges from
6000 mPa·s to 8000 mPa·s, and water to kneading to prepare a primary kneaded mixture;

diluting the primary kneaded mixture with water to prepare a slurry; and
adding a binder to the slurry to prepare a negative electrode paste.

US Pat. No. 9,096,125

DRIVING FORCE TRANSMISSION APPARATUS

JTEKT CORPORATION, Osaka...

1. A driving force transmission apparatus comprising:
a cylindrical first rotational member which is configured to rotate by a drive source of a four-wheel drive vehicle which
can be switched between a four-wheel drive mode and a two-wheel drive mode;

a second rotational member at least part of which is accommodated in an interior of the first rotational member and which
is disconnectably connected to the first rotational member via a clutch; and

a case having a tank portion which is configured to reserve a lubricating oil in an accommodating space interposed between
the second rotational member and the first rotational member, and a cylindrical accommodating portion which accommodates the
first rotational member, wherein,

in the case,
the accommodating portion has an inner circumferential surface which faces an outer circumferential surface of the first rotational
member, and

the tank portion has an oil inlet port which is opened to the inner circumferential surface of the accommodating portion and
through which the lubricating oil in the accommodating space is let in based on a centrifugal force which is generated as
the first rotational member rotates when the four-wheel drive vehicle travels forwards in the two-wheel drive mode.

US Pat. No. 9,221,491

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
a motor that applies assist force to a steering mechanism of a vehicle;
a torque sensor that outputs a detection signal corresponding to a steering torque applied to the steering mechanism; and
a controller that controls driving of the motor to cause an output torque of the motor based on an assist command value, wherein
the controller
(i) computes a steering torque value based on the detection signal;
(ii) computes the assist command value by providing compensation to a basic assist command value using a compensation value,
the basic assist command value being calculated based on the steering torque value;

(iii) switches a control mode between (a) a first control mode in which driving of the motor is controlled based on a steering
torque value that is periodically updated continuously in a predetermined sampling cycle and (b) a second control mode in
which driving of the motor is controlled based on at least a held steering torque value that is held from a previous periodic
update, the controller executing the second control mode during a period when the steering torque value alternates between
being periodically updated continuously and being held from a previous periodic update; and

(iv) switches the compensation value between a compensation value that is used when the first control is being executed and
a compensation value that is used when the second control is being executed.

US Pat. No. 9,188,168

CLUTCH PLATE

JTEKT Corporation, Osaka...

1. A clutch plate being an annular shape and a wet type in which lubrication grooves comprising a plurality of grooves are
formed on at least one of both end surfaces in an axial direction and in which the end surface has the lubrication grooves
and a friction engaging surface;
wherein the groove is provided with a groove forming portion that extends in a direction crossing a circumferential direction
and that takes a U shape in a section orthogonal to an extending direction, and blunt portions that extend along the extending
direction of the groove forming portion on both sides of the groove forming portion and that connect the friction engaging
surface with the groove forming portion;

wherein the blunt portion is widened as it goes from a bottom of the groove toward an opening in a section orthogonal to the
extending direction; and

wherein, where a virtual straight line is taken as a straight line passing across one side end of the groove and extending
in a radial direction, in a section of the groove having the one side end taken along a plane that is orthogonal to the virtual
straight line and that includes the one side end, a width of the blunt portion on one side is in a range of 0.12 to 0.35 mm,
and the depth of the blunt portion is in a range of 25 to 50 ?m.

US Pat. No. 9,108,667

MOTOR VEHICLE STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A motor vehicle steering system comprising:
a steering member including a steering wheel and a knob rotatably supported on the steering wheel, the knob being configured
to rotationally manipulate the steering wheel for steering a steered wheel of a motor vehicle; and

a knob reaction force actuator configured to provide a reaction force to the knob in response to rotation of the knob relative
to the steering wheel, wherein

the knob has a knob center and is supported by the steering wheel in a manner rotatable about the knob center.

US Pat. No. 9,057,418

BALANCER SHAFT DEVICE

JTEKT CORPORATION, Osaka...

1. A balancer shaft device comprising:
a balancer shaft which serves to offset periodical rotational vibration of a crankshaft of an engine and which comprises:
a shaft portion which is disposed parallel to the crankshaft of the engine; and
a balance weight which is formed integrally with the shaft portion so as to be decentered from an axis of the shaft portion,
the balance weight having a substantially semi-circular shape in a radial-cross section which is uniform along an axial direction;
and

a rolling bearing which supports the shaft portion of the balancer shaft so as to be rotatable relative to a main body of
the engine,

wherein a radial-cross section of the balancer shaft is uniform along the axial direction,
wherein the rolling bearing is positioned concentric with the axis of the shaft portion as viewed in a radial-cross section,
and comprises a cylindrical portion which covers the shaft portion of the balancer shaft, an inner surface of the cylindrical
portion has a substantially circular shape in the radial-cross section such that the cylindrical portion is slidably attached
to the balancer shaft from the axial direction,

wherein an outer circumferential surface of the cylindrical portion defines an inner ring raceway surface of an inner ring
member on which a rolling element of the rolling bearing rolls, and

wherein a collar portion is formed, at least, at one end portion of an axial end portion of the inner ring member, and extends
radially inward from the cylindrical portion so as to contact an outer circumferential portion of the balancer shaft.

US Pat. No. 9,388,859

BEARING DEVICE

JTEKT CORPORATION, Osaka...

1. A bearing device including:
an inner ring;
an outer ring; and
rolling elements arranged between the inner ring and the outer ring, the inner ring being assembled to an inside member by
fitting, or the outer ring being assembled to an outside member by fitting, wherein:

one of a fitting face of the inner ring which is fitted to the inside member, a fitting face of the inside member which is
fitted to the inner ring, a fitting face of the outer ring which is fitted to the outside member, and a fitting face of the
outside member which is fitted to the outer ring is formed with a plurality of grooves which are extended inwardly in an axial
direction from an end of the fitting face and which are arranged in a circumferential direction; and

the grooves are extended from both ends in an axial direction of the fitting face and closed in a middle part in the axial
direction of the fitting face.

US Pat. No. 9,272,730

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
a motor that is a source of generating steering assist force that is applied to a steering mechanism of a vehicle; and
a controller that controls the motor in response to a vehicle steering operation, the controller including
a first computing unit that computes a basic control component of the steering assist force to be applied to the steering
mechanism based on at least a steering torque, and

a second computing unit that computes a correction control component for the basic control component through feedback control
for causing an actual rotation angle of a rotary shaft that rotates based on a steered angle of steered wheels to coincide
with a target rotation angle computed based on at least the steering torque, wherein

the second computing unit decreases at least a magnitude of the steering torque used to compute the target rotation angle
and then computes the correction control component, to increase a steering reactive force with an increase in a lateral acceleration
applied to the vehicle.

US Pat. No. 9,254,549

GRINDING MACHINE

JTEKT Corporation, Osaka...

1. A grinding machine comprising:
a grinding wheel of which movement in an X direction and a Z direction is controlled and that grinds a workpiece; and
a truing unit that is installed at a predetermined position and that trues a machining surface of the grinding wheel,
wherein the truing unit includes:
a movable table that is installed to be movable in the X direction relative to a support member;
a truer that is rotatably installed in the movable table and that trues the machining surface of the grinding wheel, and
an X-direction pressing mechanism that presses the truer in the X direction along with the movable table,
wherein the movable table is installed to be movable in the X direction relative to the support member in a state where the
movable table is pressed in the X direction by the X-direction pressing mechanism, and

wherein the truer is installed to be rotatable about an axis line in the Z direction relative to the movable table and trues
the machining surface of the grinding wheel by coming into contact with the grinding wheel with a pressing force of the X-direction
pressing mechanism and being rotated by the grinding wheel.

US Pat. No. 9,115,760

TAPERED ROLLER BEARING

JTEKT CORPORATION, Osaka...

1. A tapered roller bearing comprising:
an inner ring including an outer circumferential surface formed as an inner ring raceway surface in the shape of a conical
surface, a small rib portion that projects radially outwardly in a small diameter side end of the inner ring raceway surface,
and a large rib portion that projects radially outwardly in a large diameter side end of the inner ring raceway surface;

an outer ring that is disposed concentrically on an outer circumference side of the inner ring and has an inner circumferential
surface formed as an outer ring raceway surface in the shape of a conical surface;

a plurality of tapered rollers disposed so as to be rollable in an annular space between the inner ring raceway surface and
the outer ring raceway surface; and

a cage that holds the respective tapered rollers in a plurality of pockets partitioned by annular sections disposed on both
axial ends of the tapered rollers and a plurality of cage bar sections that couple the annular sections at the both axial
ends and that are disposed in a circumferential direction at intervals; wherein

the cage includes a nail portion that extends from a first annular section facing a roller small end face, which is a small
diameter side end face of the tapered roller, to an axially inward small rib end face of the small rib portion, and

the nail portion supports the tapered roller so as to form a gap between the roller small end face and the small rib end face
by contact between the nail portion and the small rib end face.

US Pat. No. 9,237,667

WATERPROOF STRUCTURE FOR ELECTRONIC UNIT

JTEKT CORPORATION, Osaka...

1. A waterproof structure for an electronic unit, comprising: a case that defines an accommodating portion that accommodates
a first terminal, and that has a cable guiding hole that communicates with the accommodating portion; a cable that has a conductor
connected to a second terminal to which the first terminal is connected, a first sheath that covers the conductor, and a second
sheath that covers the first sheath, the cable being passed through the cable guiding hole and drawn into the accommodating
portion; and a potting resin that is filled in the accommodating portion and in a space between the cable and the cable guiding
hole, wherein the first sheath is made of a first resin material, and the second sheath and the potting resin are made of
a second resin material that is different from the first resin material; and a heat shrinkable tube that covers an end portion
of the second sheath, which is on an outer side of the case, and the first sheath together with each other, thereby coupling
the first and second sheaths at opposing ends.

US Pat. No. 9,322,410

ELECTRIC PUMP DEVICE

JTEKT CORPORATION, Osaka...

1. An electric pump device comprising:
an oil pump configured to generate oil pressure;
a motor configured to drive the oil pump; and
a control device configured to control operation of the oil pump by supplying a driving power to the motor,
wherein the control device comprises:
a control signal output unit configured to output a motor control signal;
a driving circuit configured to output the driving power to the motor based on the motor control signal;
a state determination unit configured to determine whether or not the electric pump device is in a stable state where a required
oil pressure is supplied to a hydraulic operating device by maintaining a rotation state of the motor; and

a gain adjusting unit configured to adjust a gain for a current feedback control so as to reduce a responsiveness of the current
feedback control in response to the state determination unit determining that the electric pump device is in the stable state,
and

wherein the control signal output unit is configured to generate the motor control signal by executing the current feedback
control so as to cause an actual current value of the driving power being output to the motor to follow a current command
value corresponding to a target oil pressure.

US Pat. No. 9,145,876

MOTOR CONTROL UNIT AND ELECTRIC PUMP UNIT

JTEKT CORPORATION, Osaka...

1. A motor control unit that controls, based on hydraulic pressure, comprising:
a control circuit that includes a control signal output unit that outputs a motor control signal; and
a drive circuit that is actuated upon reception of the motor control signal, and that supplies driving electric power, wherein,
the control circuit further includes an over-power suppression control unit that suppresses over power by reducing a current
command value from a host control unit,

the control signal output unit obtains the motor control signal by applying a reduction amount for the current command value,
which is obtained by the over-power suppression control unit, to the current command value from the host control unit,

the over-power suppression control unit includes a current command value correction amount calculation unit that compares
a target hydraulic pressure with a present hydraulic pressure and outputs the current command value reduction amount for over-power
suppression control when the present hydraulic pressure is higher than the target hydraulic pressure, and

load information indicating whether a load is a low load or a high load that is higher than the low load is input into the
control circuit from the host control unit, and the over-power suppression control unit changes the target hydraulic pressure
in accordance with a magnitude of the load indicated by the load information.

US Pat. No. 9,392,710

WATERPROOF STRUCTURE FOR ELECTRONIC UNIT

JTEKT CORPORATION, Osaka...

1. A waterproof structure for an electronic unit, comprising:
a case that defines an accommodating portion that accommodates a first terminal, and that has a cable guiding hole that communicates
with the accommodating portion;

a cable that has a conductor connected to a second terminal to which the first terminal is connected, a first sheath that
covers the conductor, and a second sheath that covers the first sheath, the cable being passed through the cable guiding hole
and drawn into the accommodating portion;

a potting resin that is filled in the accommodating portion and in a space between the cable and the cable guiding hole; and
a plurality of centering projections that protrude from an inner periphery of the cable guiding hole and contact an outer
periphery of the cable, at least two of the centering projections being spaced in a circumferential manner from each other
with potting resin disposed therebetween, wherein

the first sheath is made of a first resin material, and
the second sheath and the potting resin are made of a second resin material that is different from the first resin material.

US Pat. No. 9,378,881

YOKE UNIT, YOKE UNIT MANUFACTURING METHOD, TORQUE DETECTION DEVICE, AND ELECTRIC POWER STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A yoke unit comprising:
a first yoke with multiple first magnetic pole teeth;
a second yoke with multiple second magnetic pole teeth, each of the second magnetic pole teeth being arranged between two
adjacent ones of the first magnetic pole teeth, the second yoke being coaxial with the first yoke; and

a resin section that makes the first and second yokes integral with each other, the resin section including a recessed part
formed in an inner surface of the resin section, the recessed part being arranged between the first magnetic pole tooth and
the second magnetic pole tooth, wherein a distance between an outer surface of the resin section in an area where the recessed
part is not formed and the center of the yoke unit is smaller than a distance between the outer surface of the resin section
in an area where the recessed part is formed and the center of the yoke unit.

US Pat. No. 9,163,708

CONTINUOUSLY VARIABLE TRANSMISSION

JTEKT CORPORATION, Osaka...

1. A continuously variable transmission including two pulleys each having a rotary shaft and a pair of sheaves, each sheave
having a side face and a tapered face so that two tapered faces are opposed to each other to define a V-shaped groove, and
an endless flexible member looped over the two pulleys, the continuously variable transmission varying a transmission ratio
between the pulleys by varying a distance between the sheaves in each pair, the continuously variable transmission comprising:
a vibration damping member that is in contact, under pressure, with an outer peripheral face of the sheave to which the vibration
damping member is fitted, the outer peripheral face extending from one end of the side face such that the outer peripheral
face is located outside of the side face in a radial direction, the side face extending in a direction substantially parallel
to the radial direction,

wherein at least one of the sheaves is provided with the vibration damping member.

US Pat. No. 9,446,785

COUPLING STRUCTURE FOR COUPLING SHAFT TO UNIVERSAL JOINT YOKE, COUPLING METHOD FOR COUPLING SHAFT TO UNIVERSAL JOINT YOKE, AND INTERMEDIATE SHAFT

JTEKT CORPORATION, Osaka...

1. A coupling method comprising steps of:
inserting an insertion portion of a shaft workpiece, in which one of an engaging portion and an engaged portion is formed,
through a second opening of an insertion hole of a universal joint yoke, in which another one of the engaging portion and
the engaged portion is formed, a distal end portion of the shaft workpiece protruding from a first opening of the insertion
hole;

adjusting a phase between the shaft workpiece and the universal joint yoke by adjusting a rotation permitting gap between
the engaging portion and the engaged portion through relative rotation between the universal joint yoke and the shaft workpiece,
an adjustment range being set to a range equal to or larger than 5° and equal to or smaller than 30° in a relative rotation
angle between the shaft workpiece and the universal joint yoke:

forming an outward protrusion that protrudes from the distal end portion of the shaft workpiece outward in a radial direction
and that faces a peripheral edge of the first opening across a gap in an axial direction; and

forming a fixed portion by fixing a portion of the shaft workpiece that is close to a peripheral edge of the second opening
of the insertion hole to the peripheral edge of the second opening by welding, wherein the steps of the method are successively
performed in an order of the inserting, the adjusting, the forming of the outward protrusion, and the forming of the fixed
portion, such that the phase between the shaft workpiece and the universal joint yoke is fixed.

US Pat. No. 9,321,311

WHEEL SUPPORT DEVICE

JTEKT CORPORATION, Osaka...

1. A wheel support device, comprising:
a hub spindle of a hub wheel to which a vehicle wheel is fitted; and
an outer ring of a constant velocity joint, which is connected to the hub spindle such that power is able to be transmitted
between the outer ring and the hub spindle, wherein

a through-hole that passes through the hub spindle in an axial direction of the hub spindle is formed in the hub spindle,
an outer ring shaft portion that is passed through the through-hole of the hub spindle is formed on the outer ring; and
the outer ring shaft portion is formed of a shaft body and a connecting member, wherein
a nut is screwed to an external thread of the shaft body; and
an outer ring tubular portion is formed in the outer ring of the constant velocity joint,
a first connecting portion of which an inner diameter progressively increases toward the axial outer side is formed on an
inner periphery of the hub spindle, which defines the through-hole,

a second connecting portion that is arranged radially inward of the first connecting portion and of which an outer diameter
progressively increases toward the axial outer side is formed on the outer ring shaft portion so as to correspond to the first
connecting portion, and

the first connecting portion has spline teeth and the second connecting portion has spline teeth, and the spline teeth of
the first connecting portion and the spline teeth of the second connecting portion mesh with each other.

US Pat. No. 9,387,145

CARE SUPPORT APPARATUS

JTEKT CORPORATION, Osaka...

1. A care support apparatus comprising:
a main body;
a lateral pair of first legs held by the main body, wherein a first wheel is provided at one end of each of the first legs;
a second leg provided with a second wheel at one end of the second leg and coupled to the first leg at another end of the
second leg, so as to be rotatable on the first leg around a first axis;

a seat member held by the main body, wherein the main body is rotatably coupled to another end of the first legs so that the
first legs are rotatable on the main body around a second axis parallel to the first axis;

a first actuator for driving the second leg around the first axis such that the first wheel and the second wheel approach
each other; and

a second actuator for driving the first leg around the second axis in coordination with the first actuator driving the second
leg around the first axis such that the angle of the main body with respect to the ground is maintained at a desired angle
when the first wheel and the second wheel are in contact with a ground surface and the first actuator drives the second leg
around the first axis such that the first wheel and the second wheel approach each other,

wherein when the first wheel and the second wheel are in contact with a ground surface, and the second leg is rotated by the
actuator around the first axis such that the first wheel and the second wheel approach each other, a height of the seat member
and the main body from the ground surface increases.

US Pat. No. 9,243,667

TAPERED ROLLER BEARING AND POWER TRANSMISSION DEVICE USING TAPERED ROLLER BEARING

JTEKT CORPORATION, Osaka...

1. A tapered roller bearing, comprising:
an inner ring;
an outer ring spaced from an outer peripheral surface of the inner ring by an annular space, the outer ring and the inner
ring being concentric about an axis;

a plurality of tapered rollers rollably disposed in the annular space; and
a cage retaining the plurality of tapered rollers, wherein:
liquid lubricant flows through the annular space; and
among the inner ring, the outer ring, the plurality of tapered rollers, and the cage, at least one rotating component configured
to rotate at the time of bearing rotation is provided with a vaporization promotion mechanism configured to decrease a pressure
of the liquid lubricant at a time of bearing rotation so that the pressure of the liquid lubricant reaches a saturation vapor
pressure at which the liquid lubricant changes from a liquid phase to a vapor phase.

US Pat. No. 9,165,927

SEMICONDUCTOR DEVICE

JTEKT Corporation, Osaka...

1. A semiconductor device comprising:
a first line layer having a first line;
a first interlayer film formed on the first line layer;
a second line layer that is formed on the first interlayer film, and that has a second line;
a first semiconductor element provided inside the first interlayer film, wherein the first interlayer film includes an insulating
film and thickness of the insulating film in the first interlayer film in a stacking direction is equal to a thickness of
the first semiconductor element;

a second interlayer film formed on the second line layer;
a second semiconductor element that is provided inside the second interlayer film, and that is disposed to face the first
semiconductor element, wherein the second interlayer film includes an insulating film and a thickness of the insulating film
in the second interlayer film in stacking direction is equal to a thickness of the second semiconductor element;

a third line layer that is formed on the second interlayer film, and that has a third line;
a first connection metal member that electrically connects the first line to a main electrode formed on a lower surface of
the first semiconductor element;

a second connection metal member that electrically connects the second line to a main electrode formed on an upper surface
of the first semiconductor element;

a third connection metal member that electrically connects the second line to a main electrode formed on a lower surface of
the second semiconductor element;

a fourth connection metal member that electrically connects the third line to a main electrode formed on an upper surface
of the second semiconductor element; and

a fifth connection metal member that is disposed at a region located outside regions of the first and second semiconductor
elements in a plan view, the fifth connection metal member connecting the first line to the second line or connecting the
second line to the third line,

wherein a cross-sectional area of each of the first connection metal member, the second connection metal member, the third
connection metal member and the fourth connection metal member is larger than a cross-sectional area of the fifth connection
metal member.

US Pat. No. 9,163,670

ROLLING BEARING

JTEKT Corporation, Osaka...

1. A rolling bearing includes:
a first raceway member having a first annular raceway surface;
a second raceway member having a second annular raceway surface opposing the first raceway surface;
a plurality of rolling elements arranged between the first raceway surface and the second raceway surface so as to roll;
a guide member formed integrally with or separately from the second raceway surface, the guide member including:
an annular guide surface arranged at a position different form the second raceway surface in an axial direction;
a plurality of flow paths which are separately provided in the axial direction and in which compressed air for supplying lubricating
oil flows; and

discharge openings which spray the compressed air to a guided surface; and
an annular cage that holds the plurality of rolling elements at given intervals in a circumferential direction and has the
guided surface which opposes the guide surface such that the guided surface can slidably contact the guide surface.

US Pat. No. 9,410,607

PULLEY UNIT

JTEKT CORPORATION, Osaka...

1. A pulley unit comprising:
a sleeve having a cylindrical shape, and including: on one side in an axial direction a first opening end portion for insertion
of an end portion of a rotational shaft; and a second opening end portion provided on a side that is opposite from the first
opening end portion and having, as an inner periphery, a polygonal inner peripheral portion with a polygonal cross-section;

a pulley that is concentrically arranged on a radially outer side of the sleeve to be supported rotatably about an axis and
has an outer peripheral surface on which a belt is wound; and

a cap member having a cover portion covering the second opening end portion and claw portions that are engaged with a stepped
attaching portion provided on an inner surface of the sleeve, wherein

the cap member has an annular portion extending from the cover portion in the axial direction and fitted into the polygonal
inner peripheral portion,

the claw portions are formed to extend from the annular portion in the axial direction, and
a peripheral surface of the annular portion is provided with first plane portions facing a surface of the polygonal inner
peripheral portion.

US Pat. No. 9,366,333

VEHICLE DIFFERENTIAL GEAR

JTEKT CORPORATION, Osaka...

1. A vehicle differential gear that distributes a driving force of a drive source of a vehicle to a pair of output shafts
while allowing a differential operation, the vehicle differential gear comprising:
a differential case, to which the driving force is input;
a plurality of pinion gears rotatably supported by the differential case;
a pair of side gears meshing with the plurality of pinion gears and each coupled to a corresponding one of the pair of output
shafts;

a washer having a sliding surface that slides with an axial end face of at least one side gear of the pair of side gears to
create a frictional force, the sliding at the sliding surface being lubricated by a lubricating oil; and

a solid lubricant coating on the sliding surface to suppress a fluctuation of the frictional force, wherein
the pair of side gears and the plurality of pinion gears are helical gears that generate a thrust force in an axial direction
by meshing.

US Pat. No. 9,393,571

COOLANT SYSTEM

JTEKT Corporation, Osaka...

1. A coolant system comprising:
a reservoir that stores coolant discharged from a machine tool;
a filtering device that filters the coolant in the reservoir;
a secondary reservoir fluidically connected with the reservoir, to be supplied with the coolant filtered by the filtering
device;

a first pump having a suction port in the secondary reservoir, and that feeds the coolant after filtration to the machine
tool; and

a second pump that feeds the coolant in the reservoir to the filtering device;
wherein the reservoir comprises:
a reservoir frame; and
a partition member that partitions the interior of the reservoir frame into an outer peripheral coolant tub and a central
coolant tub and that is formed with a slit extending in the depth direction to make the outer peripheral coolant tub communicate
with the central coolant tub, wherein a coolant return extends from the secondary reservoir to the outer peripheral coolant
tub for supplying coolant from the secondary reservoir to the outer peripheral coolant tub;

wherein a suction port of the second pump is arranged in the central coolant tub;
the system further comprising:
a first supply port that supplies the central coolant tub with the coolant fed from the machine tool without passing through
the outer peripheral coolant tub; and

a second supply port that supplies the outer peripheral coolant tub with at least a part of the coolant filtered by the filtering
device and fed from the filtering device without passing through the central coolant tub.

US Pat. No. 9,211,907

SOLENOID VALVE DEVICE, HYDRAULIC APPARATUS EQUIPPED WITH THE SOLENOID VALVE DEVICE, AND HYDRAULIC POWER STEERING SYSTEM EQUIPPED WITH THE HYDRAULIC APPARATUS

JTEKT CORPORATION, Osaka...

1. A solenoid valve device, comprising:
a solenoid valve that includes a solenoid that is supplied with driving current to generate magnetic flux, and a valve element
that is moved by the magnetic flux generated from the solenoid; and

a control device that controls the solenoid valve, wherein
the control device includes an alternating current component in the driving current and supplies the driving current including
the alternating current component to the solenoid, and detects an impedance of the solenoid, and

the control device changes a magnitude of the driving current based on the impedance; wherein the control device sets a relationship
between the driving current and the impedance at a time when the driving current matches an operation of the valve element
as a reference position index, and stops supply of the driving current to the solenoid when a relationship between the driving
current supplied to the solenoid and the impedance detected as the driving current is supplied differs from the reference
position index.

US Pat. No. 9,127,649

STATE DETECTION DEVICE FOR BEARING ROLLER, ROLLER BEARING DEVICE WITH SENSOR, AND WIND TURBINE GENERATOR

JTEKT CORPORATION, Osaka...

1. A state detection device that detects a physical state of a bearing roller that is rollably disposed between a first bearing
ring and a second bearing ring, the second bearing ring being disposed concentrically with the first bearing ring, the state
detection device comprising:
a sensor that detects the physical state of the bearing roller;
a processing portion that obtains a detection signal that is output from the sensor, performs processing on the detection
signal, and transmits detection data obtained by performing the processing on the detection signal, to an outside of the bearing
roller,

the sensor and the processing portion being accommodated in a central hole formed at an axis center of the bearing roller,
and

the processing portion being provided on a substrate, and the substrate being accommodated in the central hole in a state
in which the substrate is not in contact with an inner surface of the bearing roller, the inner surface defining the central
hole; and

a substrate retaining material that is interposed between the substrate and the inner surface defining the central hole,
the sensor being fixed to the inner surface defining the central hole, and the substrate retaining material being interposed
between the sensor and the substrate.

US Pat. No. 9,242,625

ROAD FRICTION COEFFICIENT ESTIMATING UNIT AND ROAD FRICTION COEFFICIENT ESTIMATING METHOD

JTEKT CORPORATION, Osaka...

1. A road friction coefficient estimating unit, comprising:
a sideslip angle calculation unit configured to calculate a tire sideslip angle ? in each of a plurality of computation process
cycles, the sideslip angle calculation unit being further configured to calculate a difference ?? between a tire sideslip
angle ? calculated in a current computation process cycle and a tire sideslip angle ? calculated in an immediately preceding
computation process cycle;

a cornering force calculation unit configured to calculate a cornering force CF in each of the plurality of computation process
cycles, the cornering force calculation unit being further configured to calculate a difference ?CF between a cornering force
CF calculated in the current computation process cycle and a cornering force CF calculated in the immediately preceding computation
process cycle; and

a road friction coefficient calculating unit configured to calculate a road friction coefficient based on a ratio of the difference
?CF to the difference ??, wherein

the road friction coefficient calculating unit stores, in a memory, a table that shows a correlation between the ratio only
at a fixed tire sideslip angle ?d and the road friction coefficient, the fixed tire sideslip angle ?d being a tire sideslip
angle ? calculated when the cornering force CF is at a boundary between a linear range and a saturated range, and

the road friction coefficient calculating unit is further configured to calculate the road friction coefficient, while a vehicle
having the road friction coefficient calculating unit is travelling, by applying the ratio to the table only when the tire
sideslip angle ? is the fixed tire sideslip angle ?d.

US Pat. No. 9,435,380

BEARING DEVICE

JTEKT CORPORATION, Osaka...

1. A bearing device including:
an inner ring;
an outer ring; and
rolling elements arranged between the inner ring and the outer ring, the inner ring being assembled to an inside member by
fitting, or the outer ring being assembled to an outside member by fitting, wherein:

one of a fitting face of the inner ring which is fitted to the inside member, a fitting face of the inside member which is
fitted to the inner ring, a fitting face of the outer ring which is fitted to the outside member, and a fitting face of the
outside member which is fitted to the outer ring is formed with a plurality of grooves which are extended inwardly in an axial
direction from an end of the fitting face and which are arranged in a circumferential direction; and

the grooves are extended from both ends in an axial direction of the fitting face and closed in a middle part in the axial
direction of the fitting face.

US Pat. No. 9,366,305

HYDROSTATIC FLUID GUIDE DEVICE

JTEKT CORPORATION, Osaka...

1. A hydrostatic fluid guide device comprising:
a movable body;
a support that supports the movable body so that the movable body is linearly movable;
a hydrostatic fluid guide mechanism that is provided in the movable body and that guides linear movement of the movable body;
and

a damping mechanism that is provided in the movable body, and that damps vibration caused in the movable body,
wherein a pressure of a fluid supplied to the damping mechanism is a hydrostatic pressure, and
wherein the hydrostatic fluid guide mechanism includes a land portion formed to protrude toward the support and a frame portion
formed to protrude toward the support and to surround the land portion.

US Pat. No. 9,479,969

SYSTEM AND METHOD FOR HANDOFF IN AN INTEGRATED CELL

KT CORPORATION, Gyeonggi...

1. A method for handoff in a target cell supporting heterogeneous networks, the method comprising:
upon execution of a cell-to-cell handoff from a current cell of a first network to the target cell supporting the first network,
determining whether the target cell supports heterogeneous networks including a second network based on a physical cell identity
associated with the target cell;

determining that the target cell supports heterogeneous networks including the second network when the physical cell identify
of the target cell is an integrated physical cell identity, wherein the integrated physical cell identity indicates an integrated
cell supporting a plurality of heterogeneous network types;

turning on a network module for establishing a communication session with the second network only when the target cell supports
heterogeneous network including the second network based on the determination;

executing a heterogeneous-network handoff within the target cell from the first network to the second network; and
establishing a communication session with a service server using a mapping table for seamlessly providing a service to the
user equipment.

US Pat. No. 9,316,256

LIQUID-LUBRICATED BEARING AND VEHICLE PINION SHAFT SUPPORT DEVICE

JTEKT CORPORATION, Osaka...

1. A liquid-lubricated bearing, comprising:
an inner ring having a raceway surface formed in an outer peripheral face of the inner ring;
an outer ring disposed radially outward of the inner ring, and having a raceway surface formed in an inner peripheral face
of the outer ring;

rolling elements disposed between the raceway surface of the inner ring and the raceway surface of the outer ring; and
a cage having pockets that accommodate the rolling elements, wherein
lubricating liquid flows through a space between the outer ring and the cage from a first side in an axial direction of the
liquid-lubricated bearing to a second side in the axial direction,

an outer lubricating liquid inflow passage that provides communication between an outside of the liquid-lubricated bearing
and a rolling element arrangement chamber in which the rolling elements are arranged, is formed between the outer ring and
the cage, on a lubricating liquid inflow side in the axial direction,

the outer lubricating liquid inflow passage has
an annular axially extending outer passage portion that extends in the axial direction, and
an annular radially extending outer passage portion that communicates with a rolling element-side axial end portion of the
axially extending outer passage portion, and that extends from the axially extending outer passage portion to the rolling
element arrangement chamber inward in a radial direction of the outer ring, and

a labyrinth is formed by the axially extending outer passage portion and the radially extending outer passage portion,
the cage has a first annular end portion extending in the axial direction, a second annular end portion extending in the radial
direction, and a plurality of cage bars connecting the first annular end portion and the second annular end portion, the first
annular end portion having a length extending generally in the axial direction, a diameter of the length of the first annular
end portion being greater than a diameter of the second annular end portion,

the second annular end portion is located upstream of the rolling elements in a flow direction of the lubricating liquid,
an end face of the second annular end portion has an outer side guide face that guides the lubricating liquid in such a direction
that the lubricating liquid flows away from the liquid-lubricated bearing, the end face being on an opposite side of the second
annular end portion from the rolling elements in the axial direction,

the end face extends further upstream in the axial direction at a radially outward position of the end face relative to a
radial center of the end face, and the end face extends further upstream in the axial direction at a radially inward position
of the end face relative to the radial center of the end face,

an entirety of the outer side guide face of the second annular end portion is formed in a concave face,
the plurality of cage bars are connected to a connection portion of the second annular end portion and form an acute angle
with a portion of the second annular end portion that extends radially outward from the connection portion, and

an axial thickness of the second annular end portion is greater at a radially outward portion of the second annular end portion
than at the connection portion.

US Pat. No. 9,596,660

METHOD FOR TRANSMITTING AND RECEIVING RANDOM ACCESS PREAMBLE AND DEVICE THEREFOR

KT CORPORATION, Gyeonggi...

1. A method of performing a random access by a terminal, the method comprising:
determining a preamble repetition level based on one of i) at least one of parameters that determine a transmission power
of a random access preamble and ii) a coverage level;

repeatedly transmitting a random access preamble to a base station through a predetermined number of subframes corresponding
to the determined preamble repetition level; and

receiving, from the base station, a random access response related to the random access preamble,
wherein when the random access response has not been received from the base station, the transmitting of the random access
preamble is repeated, and

wherein the coverage level is configured based on a plurality of thresholds of the downlink path loss value received through
a cell specific high layer signaling.

US Pat. No. 9,376,136

STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device comprising:
a steering shaft including a first end to which a steering member is mounted and a second end, wherein the steering shaft
is telescopically adjustable in an axial direction of the steering shaft;

a column jacket rotatably supporting the steering shaft and including an upper jacket positioned on a first end side and a
lower jacket positioned on a second end side, wherein the column jacket is telescopically adjustable together with the steering
shaft with movement of the upper jacket relative to the lower jacket in the axial direction;

a lock plate fixed to the upper jacket and provided with a plurality of holes arranged in the axial direction and a plurality
of partition portions arranged in the axial direction, wherein each of the partition portions is adjacent to the first end
side of the corresponding one of the holes;

a support bracket fixed to a vehicle body and supporting the column jacket;
an operation member supported by the support bracket, wherein the operation member is operated when the steering shaft and
the column jacket are telescopically adjusted; and

a tooth that advances to and retreats from the lock plate in accordance with operation of the operation member, and that advances
to the lock plate to be engaged with one of the holes of the lock plate, wherein

the partition portions are provided such that a height of a first end-side partition portion in a direction toward the tooth
retreated from the lock plate is greater than that of a second end-side partition portion positioned on the second end side
of the first end-side partition portion.

US Pat. No. 9,462,609

METHOD FOR CONNECTING WIRELESS CHANNEL AND APPARATUS FOR PERFORMING THE METHOD

KT Corporation, Seongnam...

1. A wireless channel access method which is performed in a terminal, comprising:
generating a random value for a wireless channel access;
receiving a competitive index indicating a channel competition state from an access point;
determining whether to attempt the wireless channel access based on a comparison result between the random value and the competitive
index; and

attempting the wireless channel access in response to the random value being greater than the competitive index,
wherein the competitive index is a channel utilization value of a respective basic service set (BSS) load element, and the
channel utilization value is of one byte length indicating a value corresponding to one of 0 to 255 steps.

US Pat. No. 9,357,505

PROCESSING DIGITAL SIGNAL

KT CORPORATION, Gyeonggi...

1. A method for controlling radio units to transmit a signal to user equipment wherein each one of the radio units includes
at least two antennas including a first antenna and a second antenna, each associated with a different transmission pattern,
the method comprising:
determining whether user equipment is located at an overlapping service area of a first radio unit and a second radio unit;
determining whether traffic load of at least one of the first and second radio units is greater than a predetermined reference
traffic load; and

controlling the first radio unit to transmit a signal to the user equipment using the first antenna and controlling the second
radio unit to transmit the same signal to the user equipment using the second antenna when the user equipment is located in
the overlapping service area and when the traffic load of at least one of the first and second radio units is greater than
the predetermined reference traffic load,

wherein a transmission pattern of the first antenna of the first radio unit is different from a transmission pattern of the
second antenna of the second radio unit.

US Pat. No. 9,375,978

HUB UNIT

JTEKT CORPORATION, Osaka...

1. A hub unit comprising:
a rolling bearing;
a cylindrical hub wheel that serves as a bearing ring member of the rolling bearing; and
a cap that covers an opening of a cylindrical pilot portion formed in an end portion of the hub wheel at a vehicle outer side,
wherein the cap includes a cap body formed in a disc shape, and a cylindrical portion that extends in an axial direction from
an outer periphery of the cap body, an axial cross-section of the cap body being thicker than the cylindrical portion,

the cap is removably attached to the pilot portion by screwing an external thread portion formed on a full length outer periphery
of the cylindrical portion of the cap, to an internal thread portion formed on an inner periphery of the pilot portion, and

an uneven portion, which is gripped when the cap is rotated in a direction in which the cap is unscrewed, is formed on an
outer surface of the cap body.

US Pat. No. 9,414,220

METHOD FOR MANAGING MULTIPLE PROFILES IN AN EMBEDDED UICC, AND EMBEDDED UICC AND TERMINAL THEREFOR

KT CORPORATION, Seongnam...

5. A method for managing a plurality of profiles in an embedded Universal Integrated Circuit Card (eUICC) which is embedded
in a terminal and interworks with a Mobile Network Operator (MNO), the method comprising:
a step of loading, by the eUICC, a common profile which retains common data that is mutually accessible by each of a plurality
of profiles in the eUICC; and

a step of updating the common data retained by the common profile when an active profile is loaded; and
a step of registering a specific profile from among the plurality of profiles as a profile which is authorized to access the
common profile by registering a corresponding profile ID to the common profile and providing, to the specific profile from
the common profile, an access parameter,

wherein the common profile is in a form of at least one from among an application and a data set.

US Pat. No. 9,264,777

CONTROL VIDEO CONTENT PLAY SPEED

KT CORPORATION, (KR)

1. A system, comprising:
a content provider configured to transmit video content including a plurality of scenes, each scene having one or more contextually
related frames; and

an apparatus configured to:
receive an input including a target playing time of the video content and a condition for changing a playing speed, wherein
the condition for changing the playing speed includes whether a designated person appears in the video content or whether
dialog is detected,

determine a priority value for each of the scenes based at least in part on the condition for changing the playing speed,
the priority value being a numerical value that is assigned to each of the scenes based on whether each of the scenes satisfies
the condition for changing the playing speed, and

determine a playing speed of each of the scenes based at least in part on the determined priority value for each of the scenes
and the target playing time of the video content.

US Pat. No. 9,242,667

STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device comprising:
a steering shaft including a first end to which a steering member is mounted and a second end, wherein the steering shaft
is telescopically adjustable in an axial direction of the steering shaft;

a column jacket rotatably supporting the steering shaft and including an upper jacket positioned on a first end side and a
lower jacket positioned on a second end side, wherein the column jacket is telescopically adjustable together with the steering
shaft with movement of the upper jacket relative to the lower jacket in the axial direction;

a lock plate fixed to the upper jacket and provided with a plurality of holes arranged in the axial direction;
a support bracket fixed to a vehicle body and supporting the column jacket;
an operation member supported by the support bracket, wherein the operation member is operated when the steering shaft and
the column jacket are telescopically adjusted;

a support shaft that is supported by the lower jacket, extends in a cross direction crossing the axial direction, and includes
a low-strength portion to be broken when a load acts on the steering shaft and the column jacket; and

a lock member that is rotatably supported by the support shaft, advances to and retreats from the lock plate in accordance
with operation of the operation member, and advances to the lock plate to be engaged with one of the holes, wherein the lock
member is disengaged from the one of holes when the support shaft is broken in a state in which the lock member is engaged
with the one of the holes.

US Pat. No. 9,120,503

STEERING APPARATUS

JTEKT CORPORATION, Osaka...

1. A steering apparatus, comprising:
a steering shaft having a steering member coupled thereto;
a steering column rotatably supporting the steering shaft and being pivotable about a tilt center;
a first bracket that includes a first side plate having a tilt elongate hole as a first through hole and that is fixed to
a vehicle body;

a second bracket that includes a second side plate having a second through hole and that is fixed to the steering column;
and

a lock mechanism including a fastening shaft that is passed through the tilt elongate hole and the second through hole, an
operation lever that rotates together with the fastening shaft, a fastening mechanism that includes a fastening member supported
by the fastening shaft and that translates a rotary motion of the operation lever in a lock direction into a linear motion
of the fastening member in an axial direction of the fastening shaft to fasten the first side plate to the second side plate
by the fastening member, and a gear lock mechanism that performs a gear lock operation when the fastening is carried out by
the fastening mechanism; wherein

the fastening member includes a main body facing the first side plate, and a guided projection which extends from the main
body into the tilt elongate hole, whose rotation is restricted with predetermined play by the tilt elongate hole, and which
is guided by the tilt elongate hole when tilt adjustment is made,

the gear lock mechanism includes a first tooth row forming member that is provided on the first side plate and that forms
a first tooth row formed by parallel teeth arranged in a tilt direction, and a second tooth row forming member that forms
a second tooth row formed by parallel teeth that mesh with the first tooth row in a lock operation, and that is interposed
between the main body of the fastening member and the first side plate and rotatably supported by the fastening shaft, and

the fastening member includes a restricting portion that restricts rotation of the second tooth row forming member about a
central axis of the fastening shaft to a predetermined range.

US Pat. No. 9,395,255

ON-VEHICLE DETECTOR

HITACHI METALS, LTD., To...

1. An on-vehicle detector, comprising:
a torque detecting portion for magnetically detecting a torque transmitted to a rotating shaft rotated by a steering operation;
and

a rotation detecting portion juxtaposed with the torque detecting portion in an axial direction of the rotating shaft for
magnetically detecting a rotation of the rotating shaft,

wherein the rotation detecting portion comprises a magnet with a pair of magnetic poles and a magnetic detection element,
the magnet being disposed on a side of the rotating shaft so as to rotate simultaneously with the rotating shaft and the magnetic
detection element being disposed on the side of the rotating shaft to detect a change in a magnetic flux density caused by
the magnet approaching or moving away in accordance with the rotation of the rotating shaft, and

wherein the magnet is disposed at a region of a circumferential direction of the rotating shaft and the magnet is consisted
of an N-pole at one end and an S-pole at another end in the circumferential direction.

US Pat. No. 9,174,668

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
a housing;
a rack shaft accommodated in the housing, the rack shaft reciprocating in an axial direction in accordance with rotation of
a steering shaft, and the rack shaft being formed of a material different from a material of which the housing is formed;

an electric motor fixed to the housing and applying an assist force to the rack shaft;
a rotation angle sensor configured to detect a rotation angle of the electric motor for a single rotation of the steering
shaft;

an estimator configured to estimate a temperature of the rack shaft or a characteristic value that depends on the temperature;
and

an electronic control unit configured to control driving of the electric motor by: (i) calculating a steering angle of a steering
wheel for the single rotation of the steering shaft based on an output of the rotation angle sensor and an EPS gear ratio
of the electric power steering system, (ii) determining a deviation amount between the calculated steering angle and an actual
steering angle of the steering wheel caused by a change in an ambient temperature around the rack shaft, (iii) determining
a correction amount for canceling the deviation of the calculated steering angle or the output of the rotation angle sensor
based on the estimated temperature or the estimated characteristic value obtained by the estimator, and (iv) correcting the
calculated steering angle or the output of the rotation angle sensor by applying the correction amount.

US Pat. No. 9,317,084

THERMAL DISPLACEMENT COMPENSATING DEVICE AND METHOD FOR A MACHINE TOOL

JTEKT Corporation, Osaka...

1. A thermal displacement compensating device for a machine tool, comprising:
temperature sensors arranged at predetermined portions on a structural body of the machine tool;
block temperature obtaining means that obtains temperatures of respective blocks based on temperature information detected
by the temperature sensors, the structural body of the machine tool divided into the respective blocks;

finite element method analysis means that performs a structural analysis by a finite element method based on the temperatures
of the respective blocks obtained by the block temperature obtaining means that infers thermal displacement amounts of the
structural body of the machine tool, wherein the finite element method analysis utilizes a plurality of nodes within each
of the blocks, each node associated with a respective nodal temperature, each block associated with a respective range of
temperatures within the block, and the temperatures in each of the respective block are assigned a uniform value;

compensation value calculation means that calculates a compensation value for a command position by a numerical control (NC)
program of a movable body of the machine tool based on the thermal displacement amounts of the structural body of the machine
tool inferred by the finite element method analysis means;

compensation means that compensates the command position by the compensation value obtained by the compensation value calculation
means, and

block change means that changes a division mode of the blocks based on temperature information detected by the temperature
sensors and so that the range of temperatures associated with each block is covered within a preset range.

US Pat. No. 9,265,037

TRANSMITTING AND RECEIVING UPLINK CONTROL CHANNEL

KT CORPORATION, Gyeonggi...

1. A method of transmitting an uplink control channel at user equipment configured with physical uplink control channel (PUCCH)
format 3, the method comprising:
receiving a first parameter, through an associated higher layer signaling, from a transmission/reception point, wherein the
first parameter instructs simultaneous transmission of single hybrid automatic repeat request (HARQ) acknowledgement/negative-acknowledgement
(ACK/NACK) and channel state information (CSI) on PUCCH format 2/2a/2b;

receiving a second parameter, through an associated higher layer signaling, from the transmission/reception point, wherein
the second parameter instructs simultaneous transmission of multiple HARQ ACK/NACK and CSI on the PUCCH format 3; and

performing simultaneous transmission of HARQ ACK/NACK and CSI on one of the PUCCH format 2/2a/2b and the PUCCH format 3 according
to configurations of the first parameter and the second parameter.

US Pat. No. 9,334,125

CONVEYANCE SYSTEM FOR MACHINING APPARATUS

JTEKT CORPORATION, Osaka...

2. The conveyance system according to claim 1, wherein
the moving speed decision circuitry decides the first moving speed to be the low speed when no request to load the next object
into the machining apparatus is issued by the machining apparatus.

US Pat. No. 9,316,255

SPLIT CAGE AND ROLLER BEARING

JTEKT CORPORATION, Osaka...

1. A split cage comprising a plurality of cage segments, each of the cage segments having a pair of rim portions that face
each other at a prescribed distance in an axial direction of the split cage, and a plurality of cage bar portions disposed
between the rim portions to connect the rim portions to each other, the cage bar portions and the rim portions defining a
pocket that accommodates a roller, and a pocket-side side face of each of the cage bar portions being a pocket-side face that
is allowed to be in sliding contact with an outer peripheral face of the roller, wherein:
turning of each of the cage segments is guided by the roller, the cage segments being arranged in a circular pattern along
a circumferential direction of the split cage, in an annular space between an inner ring and an outer ring; and

a radial clearance between a radially inner portion of the pocket-side face of each of the cage bar portions and the outer
peripheral face of the roller is set larger than an amount of change in a pitch circle radius of the cage segment when the
cage segment is displaced radially outward due to thermal expansion.

US Pat. No. 9,266,556

RACK GUIDE UNIT AND STEERING SYSTEM INCLUDING THE RACK GUIDE UNIT

JTEKT CORPORATION, Osaka...

1. A rack guide unit comprising:
a rack guide accommodated in an accommodation portion formed in a housing through which a rack shaft meshed with a pinion
shaft is passed, so as to be allowed to approach and move away from the rack shaft, the rack guide supporting the rack shaft
such that the rack shaft is slidable in an axial direction of the rack shaft;

a closure member secured to an external opening end of the accommodation portion, the external opening end being located on
an opposite side of the accommodation portion from the rack shaft;

at least one coned disc spring that is interposed between the closure member and the rack guide, and that urges the rack guide
toward the rack shaft;

a holding member that holds the coned disc spring, and that is frictionally engaged with and held by the rack guide directly
or indirectly; and

a frictionally engaging member that is held by at least one of the rack guide and the holding member and that is frictionally
engaged with the rack guide and the holding member,

wherein the holding member includes a guide tube that guides a radial end portion of the coned disc spring, and an annular
seat plate that extends radially outward from one axial end of the guide tube and that receives a load from the coned disc
spring.

US Pat. No. 9,357,381

SECURITY MANAGEMENT IN M2M AREA NETWORK

KT CORPORATION, Gyeonggi...

1. A method of security management in a machine to machine (M2M) device having a communication circuit configured to transmits
data to other entities and receive data from other entities through communication networks including a core network, an access
network, and a M2M network, a processor configured to control constituent elements of the M2M device, a memory configured
to store information associated with the M2M device, a sensor configured to sense predetermined events and collect information
associated with the sensed events, and a universal integrated circuit card (UICC) configured to store various type of information
for authenticating a use of the M2M device, the method comprising:
sensing, by the sensor, data associated with a target M2M service provided through the M2M device;
monitoring, by the processor, operation status of the M2M device and collecting information on the monitored operation status;
encrypting, by the UICC, the sensed data with a device identification (ID) of the M2M device, at least one subscriber ID of
the UICC, and the collected information on the monitored status;

generating, by the UICC, a data packet in a predetermined format by including the encrypted data in a payload of the data
packet; and

transmitting, by the communication circuit, the generated data packet to an associated service server through a communication
network.

US Pat. No. 9,253,499

METHOD FOR INDUCING A MERGE CANDIDATE BLOCK AND DEVICE USING SAME

KT CORPORATION, Gyeonggi...

1. A method of decoding a video signal with a decoding apparatus, comprising:
determining whether a spatial merge candidate is previously decoded or not;
determining whether the spatial merge candidate is included in a same MER (Motion Estimation Region) as a current prediction
block;

when the spatial merge candidate is previously decoded and is not included in the same MER as the current prediction block,
determining that the spatial merge candidate is an available merge candidate for inter prediction of the current prediction
block;

generating a merge candidate list of the current prediction block, the merge candidate list including the available merge
candidate; and

obtaining prediction samples of the current prediction block based on the merge candidate list,
wherein the spatial merge candidate includes at least one of neighboring blocks adjacent to the current prediction block,
the neighboring blocks including a left neighboring block, a top neighboring block, a top-right neighboring block, a left-bottom
neighboring block and a top-left neighboring block,

wherein, when a size of the MER is 8×8 and a size of a coding block is 8×8, the spatial merge candidate is replaced to a replacement
block located outside the MER, the coding block including the current prediction block whose a size is 8×4 or 4×8, and

wherein, when the size of the MER is not 8×8 and the size of the coding block is not 8×8, the spatial merge candidate is not
replaced to the replacement block located outside the MER.

US Pat. No. 9,174,667

ELECTRIC POWER STEERING

JTEKT CORPORATION, Osaka...

1. An electric power steering apparatus, comprising:
a steering force assisting device that applies assist force to a steering system, the steering force assisting device having
an electric motor that generates the assist force;

a number of independent motor driving circuits that drive the electric motor, the number of the independent motor driving
circuits being two or more; and

a control unit operably coupled with and configured to control the independent motor driving circuits, wherein
the electric motor includes a rotor having a magnet and a stator having teeth,
the electric motor includes a number of lines of coils, the number of lines of the coils being equal to the number of the
independent motor driving circuits, each of the lines of the coils being respectively connected to a different one of the
independent motor driving circuits, each of the coils being wound around each of the teeth of the stator,

each of the lines of the coils having a same polarity and each of the lines of the coils providing different motor characteristics
on the stator when energized, and

a motor characteristic provided by a first one of the lines of the coils is a high speed/low torque characteristic and a motor
characteristic provided by a second one of the lines of the coils is a low speed/high torque characteristic.

US Pat. No. 9,167,575

CONTROL INFORMATION TRANSMISSION AND UPLINK CONTROL CHANNEL RESOURCE MAPPING

KT CORPORATION, Gyeonggi...

1. A method of transmitting control information for a specific user equipment through a data region of physical resource-block
(PRB) pairs in a subframe, in a transmission/reception point, the method comprising:
assigning at least one enhanced physical downlink control channel (EPDCCH) set, wherein each EPDCCH set includes an X number
of PRB pairs in the subframe, and the X is a natural number which is greater than or equal to “1” and is less than or equal
to the number of resource blocks (RBs) per downlink bandwidth; and

transmitting the control information to the specific user equipment through at least one of at least two enhanced control
channel elements (ECCEs) indexed per EPDCCH set,

wherein:
each of the ECCEs includes at least one of four and eight resource-element groups; and
the at least one of four and eight resource-element groups of each ECCE are located in one PRB pair or at least two PRB pairs,
and

wherein if the at least one of four and eight resource-element groups of each ECCE are located in one PRB pair,
a product of a lowest index of PRB pairs transmitting the control information among the X number of PRB pairs of the each
EPDCCH set and the number of ECCEs per PRB pair is used as one resource determination component, in the case of a physical
uplink control channel (PUCCH) resource mapping of ACK/NACK associated with a physical downlink shared channel (PDSCH) assigned
according to downlink scheduling information included in the control information.

US Pat. No. 9,585,102

METHOD OF CONTROLLING THE TRANSMISSION POWER OF UPLINK CHANNELS AND SIGNALS AND APPARATUSES THEREOF

KT CORPORATION, Gyeonggi...

1. A method of a User Equipment (UE) for controlling an uplink transmission power, the method comprising:
setting an uplink maximum transmission power for each of a plurality of cell groups including one or more serving cells in
such a way that a total sum of the uplink maximum transmission power for each of the plurality of cell groups does not exceed
a total maximum transmission power of the UE; and

allocating a transmission power for an uplink channel and an uplink signal based on at least one of: the uplink maximum transmission
power, a total sum of the transmission power of one or more uplink channels and an uplink signal transmitted in each of the
plurality of cell groups, and the total maximum transmission power of the UE,

wherein the uplink channel includes a Physical Uplink Control Channel (PUCCH) or a Physical Uplink Shared Channel (PUSCH),
and the uplink signal includes a Sounding Reference Signal (SRS);

wherein, when the total sum of the transmission power of the uplink channel and the uplink signal in each of the plurality
of cell groups does not exceed the uplink maximum transmission power for a corresponding cell group, a transmission power
of the SRS is allocated independently in each of the plurality of cell groups; and

wherein, when the total sum of the uplink channel and the uplink signal in a cell group from among the plurality of cell groups
exceeds the uplink maximum transmission power of the cell group, a transmission power of the PUCCH and the PUSCH is allocated
preferentially rather than a transmission power of the SRS.

US Pat. No. 9,428,215

STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A steering system comprising:
a steering shaft that is configured to contract and extend in a column axial direction;
a column jacket that includes a lower jacket and an upper jacket fitted to the lower jacket and that supports the steering
shaft so that the steering shaft is rotatable, the column jacket being configured to contract and extend in the column axial
direction;

a first tooth defining member having a plurality of first teeth such that the first teeth are arranged in the column axial
direction, the first tooth defining member moving together with the upper jacket;

a support shaft that is supported by the lower jacket or a member supported by the lower jacket and that extends in an orthogonal
direction orthogonal to the column axial direction;

a second tooth defining member that has second teeth configured to come into meshing engagement with the first teeth, that
is supported by the support shaft so as to be rotatable around a central axis of the support shaft, and that is detached,
at a time of a secondary collision, from the lower jacket with the second teeth kept in meshing engagement with the first
teeth; and

an energy absorbing unit including a pair of energy absorbing portions each including a restraining portion restrained in
the column axial direction by the lower jacket, a first portion extending upward from the restraining portion in the column
axial direction, a fold-back portion, and a second portion formed by folding back the energy absorbing portion at the fold-back
portion, the energy absorbing portions being separated from each other in the orthogonal direction, and a coupling portion
that couples the second portions of the energy absorbing portions together and that moves together with the second tooth defining
member at the time of the secondary collision, wherein

at the time of the secondary collision, the energy absorbing portions allow the fold-back portions to move downward in the
column axial direction to absorb impact energy while guiding downward movement of the second tooth defining member in the
column axial direction between facing edges of the energy absorbing portions.

US Pat. No. 9,398,015

METHOD FOR MODIFYING RIGHTS TO SECURITY DOMAIN FOR SMARTCARD, AND SERVER, SMARTCARD, AND TERMINAL FOR SAME

KT CORPORATION, Seongnam...

1. A smart card comprising:
a first security domain configured to share a first key with a management server configured to manage the smart card;
a plurality of second security domains configured to share a second key with a network operator configured to manage a network
to which the smart card is connected; and

a control part configured to control whether to activate a state of a given second security domain among the second security
domains according to a state change request signal for the given second security domain received through the first security
domain,

wherein the state change request signal includes a first request signal to change an active second security domain among the
second security domains into an inactive state and a second request signal to change an inactive second security domain among
the second security domains into an active state, and

wherein, in response to the state change request signal indicating that the given second security domain is activated, the
activated second security domain shares the second key with the network operator.

US Pat. No. 9,376,137

STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device comprising:
a steering shaft including a first end to which a steering member is mounted and second end, wherein the steering shaft is
telescopically adjustable in an axial direction of the steering shaft;

a column jacket rotatably supporting the steering shaft and including an upper jacket positioned on a first end side and a
lower jacket positioned on a second end side, wherein the column jacket is telescopically adjustable with movement of the
upper jacket relative to the lower jacket in the axial direction;

a lock plate fixed to the upper jacket and provided with a plurality of holes arranged in the axial direction; and
a lock mechanism supported by the lower jacket and including a tooth that advances to and retreats from the lock plate, wherein:
the lock mechanism moves the tooth such that the tooth advances to the lock plate to be engaged with one of the holes, and
retreats from the lock plate to be disengaged from the one of the holes;

the lock plate includes a bent portion as a stopper at an end portion of the lock plate in the axial direction; and
the stopper restricts the movement of the upper jacket relative to the lower jacket in the axial direction by abutting on
the lock mechanism in the axial direction when the steering shaft and the column jacket is telescopically adjusted.

US Pat. No. 9,316,303

PLANET ROLLER SPEED CHANGER

JTEKT CORPORATION, Osaka...

1. A planet roller speed changer comprising:
an input shaft;
a stationary ring disposed around the input shaft so as to be concentric with the input shaft;
a plurality of cylindrical planet rollers that are in rolling contact with both the input shaft and the stationary ring;
an output shaft;
a carrier including a carrier main body fixed to the output shaft so as to be rotatable together with the output shaft, and
a plurality of pins which extend from the carrier main body in a thrust direction, each of which is disposed in a corresponding
one of the planet rollers, and each of which passes through the corresponding one of the planet rollers; and

multiple pairs of first and second radial bearings, the first and second radial bearings in each of the multiple pairs being
respectively disposed in two rows between an outer periphery of a corresponding one of the pins and an inner periphery of
a corresponding one of the planet rollers so as to face each other in the thrust direction, and supporting the planet roller
such that the planet roller is rotatable, wherein

a first inner ring of each of the first radial bearings, the first radial bearing being farther from the carrier main body
than a corresponding one of the second radial bearings, is fitted, by interference fit, onto a first region of the outer periphery
of the pin, the first region being far from the carrier main body,

a second inner ring of each of the second radial bearings, the second radial bearing being closer to the carrier main body
than a corresponding one of the first radial bearings, is fitted, by clearance fit, onto a second region of the outer periphery
of the pin, the second region being closer to the carrier main body than the first region, and

the planet roller speed changer further comprises elastic members each of which is interposed between a corresponding one
of the second radial bearings and the carrier main body, and elastically presses a corresponding one of the second inner rings
in the thrust direction that is a direction away from the carrier main body.

US Pat. No. 9,296,414

ELECTRIC POWER STEERING APPARATUS

JTEKT CORPORATION, Osaka...

1. An electric power steering apparatus comprising:
an electric motor that generates a rotation assist force in accordance with a steering operation of a driver;
a shaft coupling that has a first end coupled to an output shaft of the electric motor; and
a speed reduction mechanism coupled to a second end of the shaft coupling to reduce a rotation speed of the output shaft of
the electric motor to transmit a reduced rotation speed to a steering mechanism; wherein

the shaft coupling includes a first yoke having the first end;
a second yoke having the second end; and
an intermediate member provided between the first yoke and the second yoke, wherein
the intermediate member includes a cylindrical intermediate boss portion, a plurality of arm portions extending radially from
the intermediate boss portion, and an engagement space defined by a pair of the adjacent arm portions, wherein

the intermediate member includes a center portion, a first cover portion disposed on an electric motor side with respect to
the center portion, and a second cover portion disposed on a speed reduction mechanism side with respect to the center portion,
wherein

the center portion includes a center boss portion that configures a part of the intermediate boss portion, a center arm portion
that configures a part of the arm portion, and a center engagement space that configures a part of the engagement space,

the first cover portion includes a first cover boss portion that configures a part of the intermediate boss portion, a first
cover arm portion that configures a part of the arm portion, and a first cover engagement space that configures a part of
the engagement space,

the second cover portion includes a second cover boss portion that configures a part of the intermediate boss portion, a second
cover arm portion that configures a part of the arm portion, and a second cover engagement space that configures a part of
the engagement space, and

the center portion is configured to protrude toward an engagement space side with respect to the first cover portion and the
second cover portion.

US Pat. No. 9,217,196

METHOD FOR FORMING DLC FILM ON SPLINE SHAFT AND HOT CATHODE PIG PLASMA CVD DEVICE

JTEKT Corporation, Osaka...

1. A method for forming a DLC film on a male spline section of a spline shaft by a hot cathode PIG plasma CVD device, wherein
the hot cathode PIG plasma CVD device includes: i) a vacuum chamber that accommodates the spline shaft; ii) a plasma gun;
iii) a reflecting electrode arranged within the vacuum chamber; iv) a first coil arranged to surround the plasma gun; v) a
second coil arranged on the reflecting electrode side, the second coil facing the first coil; vi) a hot cathode PIG plasma
source that forms a columnar plasma with a bulged center in the vacuum chamber; and vii) a material gas feed section that
supplies material gas into the vacuum chamber, the material gas serving as a material for the DLC film,
the method comprising:
arranging the plural spline shafts around the columnar plasma in the vacuum chamber;
aligning the plural spline shafts coaxially on a support having a longitudinal axis that extends in a same direction that
the columnar plasma extends;

arranging the plural coaxially aligned spline shafts so that two of the plural coaxially aligned spline shafts are located
near a center of the longitudinal axis of the support and are positioned so as to form an axial gap between the respective
male spline sections of the two spline shafts near the center; and

positioning the axial gap such that a center of the axial gap is positioned at the center of the longitudinal axis of the
support and the center of the axial gap is also positioned at a center of the columnar plasma in the direction that the columnar
plasma extends,

wherein the two coaxially aligned spline shafts are located on either side of the axial gap and are positioned a same distance
away from the center of the axial gap along the longitudinal axis.

US Pat. No. 9,388,856

THRUST BALL BEARING CAGE AND THRUST BALL BEARING

JTEKT CORPORATION, Osaka...

1. A thrust ball bearing cage comprising an annular member having a plurality of pockets arranged at intervals in a circumferential
direction, wherein:
at least one of ends in an axial direction of the annular member includes
a first end face located so as to surround the pocket,
a plurality of claw-shaped protrusions that protrude from a periphery of the pocket in the first end face outward in the axial
direction and toward a center of the pocket and extend along the periphery at intervals, and

a second end face that is connected to an end of the first end face, which is located on the opposite side of the first end
face from the pocket side, via a step and is located further outward in the axial direction than the first end face; and

a recess is defined by the claw-shaped protrusions, the first end face, and the step.

US Pat. No. 9,241,283

TRANSMISSION AND RECEPTION OF CHANNEL STATE INFORMATION

KT CORPORATION, Gyeonggi...

1. A method of transmitting channel state information in user equipment including a transceiver, the method comprising:
extracting one or more reference vectors having a high correlation with a channel state information vector associated with
a downlink;

creating one or more compressed vectors by compressing the one or more reference vectors; and
transmitting, by the transceiver, the one or more compressed vectors,
wherein:
the correlation is calculated by multiplying a square matrix by the channel state information vector, where columns of the
square matrix are orthogonal to each other; and

the reference vectors are column vectors having a high correlation in the square matrix.

US Pat. No. 9,121,729

ROTATION ANGLE DETECTION DEVICE

JTEKT CORPORATION, Osaka...

1. A rotation angle detection device that includes a first sensor, a second sensor, and a third sensor that output, respectively,
a first sinusoidal signal, a second sinusoidal signal, and a third sinusoidal signal, which are different in phase from each
other, according to rotation of a rotor, and that detects a rotation angle of the rotor based on the first, second, and third
sinusoidal signals, comprising:
a determination unit that determines, based on the first sinusoidal signal, the second sinusoidal signal, and the third sinusoidal
signal, whether the first sinusoidal signal, the second sinusoidal signal, and the third sinusoidal signal are each normal
or abnormal, the determination unit comprising:

a first determination unit that determines, based on the first and second sinusoidal signals, whether there is a possibility
that at least one of the first and second sinusoidal signals is presently abnormal;

a second determination unit that determines, based on the first and third sinusoidal signals, whether there is a possibility
that at least one of the first and third sinusoidal signals is presently abnormal;

a third determination unit that determines, based on the second and third sinusoidal signals, whether there is a possibility
that at least one of the second and third sinusoidal signals is presently abnormal; and

a fourth determination unit that determines, based on results of determinations made by the first, second, and third determination
units, whether the first sinusoidal signal, the second sinusoidal signal, and the third sinusoidal signal are each normal
or abnormal; and

a rotation angle calculation unit that calculates the rotation angle of the rotor based on at least two sinusoidal signals
that are among the first sinusoidal signal, the second sinusoidal signal, and the third sinusoidal signal, and that are determined
as being normal by the determination unit.

US Pat. No. 9,097,509

ROTATION ANGLE SENSOR

JTEKT CORPORATION, Osaka...

1. A rotation angle sensor, wherein:
the rotation angle sensor outputs detection signals corresponding to a rotation angle of a rotary shaft;
the detection signals are first to fourth detection signals that sinusoidally change with respect to the rotation angle of
the rotary shaft and that are different in phase from one another; and

a phase difference ? between each predetermined pair of detection signals among the first to fourth detection signals falls
within a range 0°

US Pat. No. 9,622,349

CONTROL DEVICE, AND MOTOR UNIT INCLUDING CONTROL DEVICE

JTEKT CORPORATION, Osaka...

1. A control device comprising:
a metal housing having a bottom wall and a side wall;
a first circuit board having a first principal surface, the first principal surface facing the bottom wall; and
a second circuit board upright with respect to the first circuit board, and having a second principal surface and a power
element, the power element being mounted on the second principal surface and facing the side wall, wherein

the first circuit board has a first back surface and a connector, the first back surface being a surface across the first
circuit board from the first principal surface, the connector being mounted on the first back surface,

the housing has a metal connector support portion, the connector support portion being arranged between the bottom wall and
the first principal surface,

a portion of the first principal surface, corresponding to the connector, is supported by the connector support portion, and
the second circuit board is mounted on the connector support portion.

US Pat. No. 9,505,308

ELECTRIC VEHICLE BATTERY MANAGEMENT

KT CORPORATION, Gyeonggi...

1. A method of managing an electric vehicle battery, the method comprising:
predetermining a management condition associated with a state of charge (SOC) of the electric vehicle battery, wherein the
predetermined management condition includes a predetermined target SOC range;

collecting SOC information of the electric vehicle battery from an electric vehicle terminal; and
performing a battery management based on whether the collected SOC information satisfies the predetermined SOC management
condition,

wherein the performing includes:
obtaining SOC history information by analyzing the collected SOC information, wherein the SOC history information includes
information on at least one of an actual charge start SOC and an actual charge end SOC associated with charging of the electric
vehicle battery;

determining a conformity degree of the SOC history information and the predetermined SOC management condition by comparing
the actual charge start/end SOC information to the predetermined target SOC range; and

creating SOC management evaluation information based on the conformity degree; and
wherein the determining the conformity degree includes:
determining the conformity degree based on at least one of (i) whether the actual charge start SOC and the actual charge end
SOC are within the predetermined target SOC range, (ii) a proximity degree between the actual charge start SOC and a lower
limit SOC value of the predetermined target SOC range, and (iii) a proximity degree between the actual charge end SOC and
an upper limit SOC value of the predetermined target SOC range.

US Pat. No. 9,377,081

CHAIN FOR CONTINUOUSLY VARIABLE TRANSMISSION

JTEKT CORPORATION, Osaka...

1. A chain for a continuously variable transmission wound around two pulleys, the two pulleys having conical surfaces facing
each other, the distance therebetween being variable, wherein:
the chain comprises a plurality of chain elements interconnected in an endless manner;
the chain element has
a link unit having a plurality of plate-shaped links, each link having one or two openings and being located along a circumferential
direction of the chain, the plurality of links are arranged in a width direction of the chain, and

two pins extending through the one or two openings of the link at both ends of the link, respectively, and both ends of at
least one of the two pins coming into contact with the conical surfaces;

the chain elements adjacent to each other in the chain circumferential direction are interconnected by allowing a pin of one
chain element to pass through the opening of the other chain element and vice versa, and when the chain bends, the contacting
pins of the adjacent chain elements roll and contact;

a relative action curve is defined as a relative shape of contact surfaces of the pins of the adjacent chain elements in a
plane orthogonal to the width direction of the chain;

the relative action curve has a shape which causes a contact point between the pins to move toward the outer side of the moving
chain as an inter-adjacent element angle which is a relative angle between the adjacent chain elements becomes larger; and

the relative action curve further has a shape which has a progressively increasing rate of an amount of movement of the contact
point with increasing inter-adjacent element angle, the increasing rate being, compared to when the relative action curve
has an involute shape, smaller when the inter-adjacent element angle is small and being larger when the inter-adjacent element
angle becomes larger.

US Pat. No. 9,359,006

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
a motor that applies assist force to a steering mechanism of a vehicle;
a torque sensor that outputs a detection signal corresponding to a steering torque applied to the steering mechanism; and
a controller configured to control driving of the motor, the controller being programmed to:
compute a detected steering torque value on the basis of the detection signal,
compute a torque differential value that is a first-order time differential value of the detected steering torque value,
control driving of the motor on the basis of an assist command value computed by providing compensation to a basic assist
command value based on the detected steering torque value with use of a compensation value based on at least the torque differential
value, and

in the case the detected steering torque value is held for a predetermined period, the controller holds the torque differential
value at a hold value computed before the detected steering torque value is held, during the period in which the detected
steering torque value is held.

US Pat. No. 9,315,070

VEHICLE BEARING DEVICE

JTEKT CORPORATION, Osaka...

1. A vehicle bearing device with a hub,
wherein the hub is a portion to which a brake rotor is fixed and which has a cylindrical portion and a flange portion;
the flange portion has a plurality of bolt hole formation portions protruding outwardly from the cylindrical portion, one
pin hole formation portion, one reference position intermediate portion, two adjacent position intermediate portions, one
or a plurality of separate position intermediate portions, and a balance adjustment portion;

the reference position intermediate portion is formed between the bolt hole formation portions adjacent to each other in the
peripheral direction of the cylindrical portion;

the adjacent position intermediate portions are formed between the bolt hole formation portions adjacent to each other in
the peripheral direction of the cylindrical portion, and are formed at positions adjacent to the reference position intermediate
portion with the bolt hole formation portion therebetween in the peripheral direction of the cylindrical portion;

the separate position intermediate portions are formed between the bolt hole formation portions adjacent to each other in
the peripheral direction of the cylindrical portion, and are formed at positions adjacent to the adjacent position intermediate
portions with the bolt hole formation portions therebetween in the peripheral direction of the cylindrical portion and at
positions on the side opposite to the reference position intermediate portion with respect to the adjacent position intermediate
portions;

the bolt hole formation portions have hub side bolt holes;
the plurality of bolt hole formation portions are formed at equal intervals in the peripheral direction of the flange portion;
the hub side bolt holes are formed as portions into which wheel bolts for fixing the hub and the brake rotor to each other
are inserted;

the pin hole formation portion is formed at the reference position intermediate portion, and has a hub side pin hole;
the hub side pin hole is formed as a portion into which a pin for fixing the hub and the brake rotor to each other is inserted;
and

the balance adjustment portion is formed at the one or the plurality of separate position intermediate portions, and the balance
adjustment portion is balanced in weight with the pin hole formation portion.

US Pat. No. 9,169,873

ROLLING BEARING UNIT

JTEKT CORPORATION, Osaka...

1. A rolling bearing unit comprising:
a rolling bearing including an inner ring, an outer ring and a plurality of rolling elements disposed between the inner ring
and the outer ring;

an annular spacer disposed adjacent to one axial end of the rolling bearing, the annular spacer having a grease reservoir
in a form of a groove extending along a circumferential direction of the annular spacer, and a flow passage that provides
communication between the grease reservoir and an inside of the rolling bearing; and

grease retained in the grease reservoir,
at least one channel being formed in the grease to extend from the flow passage along an axial direction of the annular spacer.

US Pat. No. 9,149,912

CUBIC BORON NITRIDE GRINDING WHEEL

JTEKT CORPORATION, Osaka...

1. A cubic boron nitride (CBN) grinding wheel comprising a CBN grinding particle and vitrified bond adhesive material, wherein;
said CBN grinding particle includes a single crystal CBN grinding particle having a tetrahedron construction and a multi crystal
CBN grinding particle;

a volume content of said single crystal CBN grinding particle to a total summed volume of said single and multi CBN grinding
particles is equal to or more than 50%;

a volume ratio of the vitrified bond adhesive material to the total volume of said single and multi CBN grinding particles
is from 1:1 to 6:1; and

a ratio of average diameter of said single crystal CBN grinding particle to average diameter of said multi crystal CBN grinding
particle from three-fifths to four-fifths.

US Pat. No. 9,303,724

CHAIN FOR CONTINUOUSLY VARIABLE TRANSMISSION

JTEKT CORPORATION, Osaka...

1. A chain for a continuously variable transmission, the chain being wrapped around two pulleys each having opposing conical
surfaces, a distance therebetween being variable, wherein
the chain is formed by coupling chain elements, each chain element including a link unit in which a plurality of links each
having an opening and placed to extend in a circumferential direction of the chain are arranged in a width direction of the
chain and two pins which extend through the opening of the respective links at both ends of the link, both ends of at least
one pin coming into contact with the conical surfaces, in which the chain elements are coupled such that the pin of one of
two chain elements that are adjacent to each other in the circumferential direction of the chain passes through the opening
of the link of the other chain element;

one element module is formed for every three consecutive chain elements, arrangement patterns in respective element modules
being the same;

the numbers of the links in three link units included in each element module are 9, 8, and 8, respectively;
in the element module, every three links from the right end and the left end of the chain form a width-direction unit, and
the three links in one width-direction unit are included in respectively different link units; and

the links in the first row and the sixth row from the right end and the left end of the chain are included in the same link
unit; the links in the second row and the fifth row are included in the same link unit; the links in the ninth row and the
tenth row are included in the same link unit other than the link unit in which the links in the second row and the fifth row
are included; and the links in the seventh row are included in the link units other than the link unit in which the links
in the first row and the sixth row are included.

US Pat. No. 9,238,289

GRINDING METHOD OF GRINDING ROLLER WORKPIECE AND GRINDING APPARATUS FOR GRINDING ROLLER WORKPIECE

JTEKT CORPORATION, Osaka...

1. A grinding method of grinding a roller workpiece to be formed into a roller of a rolling bearing,
the grinding method comprising an outer peripheral face machining step of bringing an outer peripheral face of a regulating
wheel that is rotating, into contact with an outer peripheral face of the roller workpiece that is supported from below by
a support member, to rotate the roller workpiece, and bringing a grinding wheel into contact with the outer peripheral face
of the roller workpiece that is rotating to grind the outer peripheral face of the roller workpiece, wherein

in the outer peripheral face machining step, the outer peripheral face of the roller workpiece is ground with a reference
member held in point contact with a center of an end face of the roller workpiece.

US Pat. No. 9,236,638

CHARGING/DISCHARGING SYSTEM FOR SOLAR LIGHT POWER GENERATOR IN SMART GRID ENVIRONMENT WITH REAL-TIME PRICING, DUPLEX CONVERTOR OF CHARGING/DISCHARGING SYSTEM, AND CHARGING/DISCHARGING METHOD FOR SOLAR LIGHT POWER GENERATOR

KT Corporation, Seongnam...

1. A charging and discharging system for a solar light power generator in a smart grid environment with real-time pricing,
the charging and discharging system comprising:
an electricity price monitoring part which collects electricity price information from an electric grid;
an electricity charge amount monitoring part which collects electricity charge amount information of a battery of the charging
and discharging system;

a charge and discharge determination part which determines, based on the collected electricity price information and the collected
electricity charge amount information, whether electricity supplied from the electric grid is to be charged into the battery
or whether electricity stored in the battery via at least one of the electric grid and the solar light power generator is
to be discharged to the electric grid; and

a charging and discharging part which selectively performs one of charging the battery and discharging the battery based on
the determination made by the charge and discharge determination part: and

a metering part which measures electricity usage based on an amount of electricity charged into the battery and an amount
of electricity discharged from the battery and which calculates an electricity price based on the measured electricity usage.

US Pat. No. 9,212,961

GRINDING ABNORMALITY MONITORING METHOD AND GRINDING ABNORMALITY MONITORING DEVICE

JTEKT Corporation, Osaka...

1. A grinding abnormality monitoring method for monitoring a grinding abnormality when a plurality of work pieces of a same
kind is ground by use of a grinding machine which grinds a work piece by moving the work piece relative to a grinding wheel,
the method comprising:
a trial grinding load detection step of setting a number of work pieces for test grinding, and detecting a trial grinding
load when a trial grinding of the set number of work pieces is performed;

a threshold value setting step of setting at least one of upper and lower limit threshold values of the trial grinding load
detected in the trial grinding load detection step, after the test grinding of the set number of work pieces has been completed,
the upper and lower threshold values varying according to an elapsed time from a start of grinding of a given work piece or
to a position of the given work piece relative to the grinding wheel;

performing actual grinding on a required number of work pieces to be ground, after performing the threshold value setting
step during the trial grinding;

an actual grinding load detection step of detecting an actual grinding load when an actual grinding of the plurality of the
work pieces is performed; and

a grinding abnormality determination step of determining that the grinding abnormality is generated when the actual grinding
load detected in the actual grinding load detection step exceeds the upper limit threshold value or falls below the lower
limit threshold value, the upper and lower threshold values varying according to the elapsed time from the start of the grinding
or to the position of the work piece relative to the grinding wheel.

US Pat. No. 9,092,812

METHOD AND SYSTEM FOR DISTRIBUTING BUSINESS APPLICATION AND CONTENTS FOR MOBILE EQUIPMENT USING APPLICATION STORE AND WIRELESS AP

KT Corporation, Seongnam...

1. A method of distributing digital content using a mobile terminal, comprising:
searching, by the mobile terminal, for a plurality of internet access points; and
transmitting, by the mobile terminal, to an application store a request for content, wherein the request comprises a plurality
of addresses including an address for each of the internet access points respectively, and

receiving, by the mobile terminal, the requested content from the application store, wherein the content is selected based
on the addresses in the request.

US Pat. No. 9,080,614

CLUTCH PLATE, CLUTCH UNIT AND DRIVING FORCE TRANSMISSION SYSTEM

JTEKT CORPORATION, Osaki...

1. A driving force transmission system, comprising:
an annular wet clutch plate having lubrication grooves formed of multiple grooves in at least one of both axial end faces,
the at least one of the both end faces having the lubrication grooves and a frictional engagement surface, wherein the frictional
engagement surface is covered with a diamond-like carbon film and has a plurality of small grooves having a width and a depth
that are smaller than those of the lubrication grooves, at least one of the small grooves is extended in a direction that
crosses a circumferential direction of the annular clutch plate; and a mean value of surface roughness of the frictional engagement
surface having the small grooves is a value equal to or higher than 3.0 ?m but equal to or less than 4.0 ?m when the surface
roughness is measured with use of Rz (JIS B 0601:1982) at three positions that are offset from each other by 120° in the circumferential
direction around a central axis of the annular clutch plate;

a second clutch plate that is arranged so as to be opposed to the end face, and that is formed in an annular shape around
a second center;

a first rotary member arranged so that the clutch plate is immovable in a circumferential direction but movable in an axial
direction;

a second rotary member arranged so that the second clutch plate is immovable in a circumferential direction but movable in
the axial direction; and

lubricating oil retained between the clutch plate and the second clutch plate,
wherein the first rotary member and the second rotary member are placed in state where torque is allowed to be transmitted,
when the clutch plate and the second clutch plate are engaged with each other, and placed in a state where torque is not allowed
to be transmitted, when the clutch plate and the second clutch plate are disengaged from each other, and

wherein the small grooves have a depth of no more than about 4 ?m, and a change in the torque being transmitted when the clutch
plate and the second clutch plate are engaged with each other at a temperature of minus 40° C. with respect to a torque being
transmitted when the clutch plate and the second clutch plate are engaged with each other at a temperature of 50° C. is 30%
or less.

US Pat. No. 9,900,924

METHOD AND APPARATUS FOR CARRIER AGGREGATION

KT CORPORATION, Gyeonggi...

1. A method for performing carrier aggregation by a user equipment, the method comprising:
receiving indices of one or more secondary cells (SCells) controlled by a first base station and indices of one or more secondary
cells controlled by a second base station; and

performing a function of a primary cell (PCell) by using one of the secondary cells of the second base station,
wherein the one secondary cell performing the function of the primary cell is set not to be cross-carrier scheduled; and
wherein the function of the primary cell includes a cross-carrier scheduling function.

US Pat. No. 9,491,733

METHOD FOR PROVIDING INFORMATION THROUGH WIRELESS LAN AND APPARATUS THEREFOR

KT CORPORATION, Gyeonggi...

1. A method of determining, by an access point (AP), a location of a terminal by use of a wireless local area network (LAN),
the method comprising:
detecting a probe request frame transmitted by a terminal that searches for a wireless LAN through active scanning;
obtaining a medium access control (MAC) address of the terminal from a configuration value of an source address (SA) field
of the probe request frame regardless of a configuration value of a BSSID field of the probe request frame; and

transmitting the MAC address of the terminal and ID information of the AP to a server;
wherein the obtaining comprises discarding the probe request frame after obtaining the MAC address of the terminal when the
configuration value of the BSSID field indicates a specific AP other than the AP.

US Pat. No. 9,460,849

METHOD OF MANUFACTURING MAGNET AND MAGNET

JTEKT CORPORATION, Osaka...

1. A method of manufacturing a magnet from material powders made of a R—Fe—N compound that contains a rare earth element as
R or material powders made of a Fe—N compound, the method comprising:
forming a primary compact having a predetermined shape by compression forming the material powders;
heating the primary compact in an oxidative atmosphere to bond the material powders to each other by oxide films that form
on surfaces of the material powders to obtain a secondary compact; and

covering a surface of the secondary compact with a coating film.

US Pat. No. 9,290,200

VEHICLE POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A vehicle power steering system comprising an assist torque computing unit configured to:
i) set a first assist torque component based on a steering torque applied to a steering mechanism during a steering operation
of a vehicle;

ii) compute a target steered angle of steered wheels of the vehicle based on the steering torque;
iii) set a second assist torque component to be applied to the steering mechanism to maintain an actual steered angle of the
steered wheels at the target steered angle;

iv) set an assist torque corresponding to the first assist torque component and the second assist torque component;
v) set an ideal steered angle based on a travelling state of the vehicle;
vi) compute a correction value based on a deviation between the ideal steered angle and the actual steered angle; and
vii) correct the target steered angle based on the correction value,
the vehicle power steering system assisting the steering operation by applying the assist torque from an electric motor to
the steering mechanism.

US Pat. No. 9,272,445

RUBBER VULCANIZER AND RUBBER VULCANIZING METHOD

JTEKT CORPORATION, Osaka...

1. A rubber vulcanizer comprising:
a pair of heat plates disposed to be opposed to each other in a prescribed direction and to be separated from each other in
the prescribed direction;

one or more dies for rubber molding stacked on each other in the prescribed direction between the heat plates to be pressurized
by the opposed heat plates, wherein the rubber vulcanizer is able to realize either a state in which the dies of which the
number is N are stacked on each other in the prescribed direction between the heat plates, or a state in which the dies of
which the number is (N+1) are stacked on each other in the prescribed direction between the heat plates, where N is a natural
number that satisfies at least a condition that 1?N?M, and M is a certain positive integer; and

a partially-pressurizing device that is able to selectively pressurize, in the prescribed direction and independent of the
pressurization by the opposed heat plates, a number of the dies that are stacked on each other in the prescribed direction,
which number is smaller than a maximum number of the dies that are stacked on each other in the prescribed direction during
rubber vulcanization.

US Pat. No. 9,239,083

UNIVERSAL JOINT AND YOKE

JTEKT CORPORATION, Osaka...

1. A yoke integrally comprising:
a proximal portion;
a pair of arm portions that extend from the proximal portion, the pair of arm portions being used for mounting a joint cross;
a rib portion that projects from the proximal portion toward bases of the pair of arm portions; and
a pair of flanges, wherein
a base adjacent to the rib portion is thick so as to rise toward the counterpart arm portion, the proximal portion has an
insertion hole for mounting a shaft, a slit formed along the insertion hole and a bolt insertion hole for fastening the slit,
a positional relationship between the proximal portion and the pair of arm portions is set such that a line segment that connects
the pair of arm portions to each other and an insertion direction in which a bolt is inserted in the bolt insertion hole intersect
with each other at 45°.

US Pat. No. 9,180,734

MACHINING TOOL FOR VEHICLE HUB UNIT AND VEHICLE HUB UNIT

JTEKT CORPORATION, Osaka...

1. A vehicle hub unit in which multiple spline teeth that are in mesh with teeth of a constant velocity joint are formed on
an axial end face of a hub wheel to which a wheel is fitted, the axial end face facing inward in a vehicle lateral direction,
the multiple spline teeth being formed in a circular pattern about an axis of the vehicle hub unit, wherein
a radius of a rounded portion formed between a tooth flank and a top land of each one of the multiple spline teeth changes
in a radial direction about the axis, the radius of the rounded portion reducing outwardly from a radially inner end portion
to a radially outer end portion of the respective one of the multiple spline teeth.

US Pat. No. 9,169,880

DRIVING FORCE TRANSMISSION APPARATUS AND METHOD OF MANUFACTURING THE SAME

JTEKT CORPORATION, Osaka...

1. A method of manufacturing a magnetic path forming member of a driving force transmission apparatus including,
an outer rotary member and an inner rotary member that are rotatable relative to each other,
multiple clutch discs that are arranged between the outer rotary member and the inner rotary member, and that transmit driving
force between the outer rotary member and the inner rotary member with use of frictional force,

an electromagnet arranged on one axial side of the clutch discs,
an armature that is arranged on another axial side of the clutch discs, and that is attracted toward the electromagnet when
the electromagnet is energized, and

the magnetic path forming member being included in the outer rotary member, is arranged between the clutch discs and the electromagnet,
and forms a magnetic path in cooperation with the electromagnet, the clutch discs and the armature when the electromagnet
is energized,

the method comprising:
heating a radially intermediate portion of a workpiece and made of a magnetic material, to melt the radially intermediate
portion from one axial face of the workpiece to another axial face of the workpiece to form a keyhole; and

disposing an alloy element in a molten pool around the keyhole to demagnetize a melted portion, thereby providing the magnetic
path forming member.

US Pat. No. 9,080,659

IN-WHEEL MOTOR DRIVING DEVICE

JTEKT CORPORATION, Osaka...

1. An in-wheel motor driving device comprising:
a motor unit which is incorporated within a wheel of a vehicle and which includes a motor and a speed reduction gear; and
a control device which is configured to control driving of the motor, wherein
the motor includes:
a cylindrical rotor;
a cylindrical first stator which is disposed so as to face a radially outer side of the rotor; and
a cylindrical second stator which is disposed so as to face a radially inner side of the rotor and which is disposed so as
to be deviated in a direction of a rotational axis relative to the first stator, and

the speed reduction gear is disposed on the radially inner side of the rotor and on a radially inner side of the first stator,
wherein

an output side end portion of the second stator is located at an inner side of an output side end portion of the first stator
along the direction of the rotational axis,

an output side end portion of the rotor and the output side end portion of the first stator are located at the substantially
same position along the direction of the rotational axis,

the second stator is located at a radially inner side of the first stator, and
the speed reduction gear is located at the radially inner side of the rotor, and at the output side end portion of the rotor
along the direction of the rotational axis, and is adjacent to the second stator.

US Pat. No. 9,441,628

ELECTRIC PUMP UNIT

JTEKT CORPORATION, Osaka...

1. An electric pump unit for a transmission, which supplies a hydraulic pressure to the transmission, said electric pump unit
comprising:
a pump that comprises a pump housing and takes in and discharges oil; and
a pump driving electric motor comprising:
a motor shaft connected to the pump;
a motor rotor fixedly provided on the motor shaft; and
a motor stator disposed around a circumference of the motor rotor,
wherein:
the pump and the electric motor are integrated with a lid that tightly closes an opening in a recess portion,
the opening is formed on a transmission housing of the transmission,
the recess portion defines an inner surface of the transmission housing,
the oil is introduced into the recess portion such that the oil is stored in the recess portion,
the pump, with the pump housing, and the electric motor are accommodated within the recess portion,
the recess portion is formed on an outer surface of the transmission housing and is a bottomed hole having the opening,
the lid is fixed to the outer surface of the transmission housing around a circumference of the recess portion to tightly
close the opening of the recess portion, and

at least a part of the pump and the electric motor are soaked in the oil stored in the recess portion so that the pump takes
in the oil stored in the recess portion.

US Pat. No. 9,408,188

METHOD AND APPARATUS FOR SCHEDULING A DOWNLINK PACKET IN A WIRELESS COMMUNICATION SYSTEM

KT Corporation, Seongnam...

1. A method of scheduling a downlink packet, the method comprising:
a real-time traffic scheduling operation comprising allocating a physical resource block (PRB) to a traffic flow, wherein
the real-time traffic scheduling operation is performed on all pieces of real-time traffic, and the real-time traffic is transmitted
by using a first transmission power in a downlink; and

a non-real-time traffic scheduling operation comprising allocating PRBs remaining after allocation to the real-time traffic
in the real-time traffic scheduling operation, to non-real-time traffic, wherein the non-real-time traffic is transmitted
by using a second transmission power in the downlink, the second transmission power being an excess transmission power relative
to the first transmission power, and not being used to transmit the real-time traffic,

wherein the real-time traffic scheduling operation calculates a scheduling metric on all real-time traffic flows,
wherein the real-time traffic scheduling operation and the non-real-time traffic scheduling operation are performed by using
an excess channel gain and reception power required per bit.

US Pat. No. 9,370,849

FLEXIBLE MANUFACTURING SYSTEM

JTEKT CORPORATION, Osaka...

1. A flexible manufacturing system comprising:
a machining device that has a machining position where a pallet to which a workpiece is attached is disposed, and machines
the workpiece that has not been machined and that is attached to the pallet disposed at the machining position to form a machined
product;

a pallet storage room that is able to store a plurality of the pallets;
a loading station through which the pallet to which the new workpiece is attached is loaded into the flexible manufacturing
system;

a pallet changer that is provided integrally with or adjacent to the machining device, has a standby position where the pallet
to be moved to the machining position of the machining device stands by, and exchanges the pallet at the machining position
for the pallet at the standby position;

a conveyor that is able to convey the pallet between the pallet storage room, the loading station, and the standby position
of the pallet changer, wherein a pallet positioned at the standby position of the pallet changer has been removed from the
conveyor;

a first controller that controls the machining device and the pallet changer; and
a second controller that controls the conveyor,
wherein when the pallet to which a workpiece that is a super-urgent item is attached is loaded on the loading station and
a pallet is at the standby position, the second controller controls the conveyor to convey the pallet at the standby position
to the pallet storage room and then to convey the pallet loaded on the loading station to the standby position.

US Pat. No. 9,359,002

STEERING-COLUMN DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device comprising:
a fixed bracket which includes a first plate fixed to a vehicle body-side member;
a movable jacket which rotatably supports a steering shaft having a steering member connected to one end of the steering shaft;
a movable bracket which supports the movable jacket so as to move in a column movement direction along with the movable jacket
at the time of a secondary collision and includes a second plate facing the first plate;

a suspension mechanism which includes a suspension shaft connecting the first plate and the second plate, thereby suspending
the movable jacket through the movable bracket, and is configured to move in the column movement direction along with the
second plate at the time of the secondary collision; and

a resin pin which is inserted into a first hole provided in the first plate and a second hole provided in the second plate,
thereby connecting the first plate and the second plate, and is configured to be broken at the time of the secondary collision
so as to separate the second plate from a predetermined position of the first plate,

wherein the resin pin has a predetermined amount of play in a direction orthogonal to the column movement direction with respect
to at least one of the first hole and the second hole.

US Pat. No. 9,358,925

WARNING DEVICE FOR VEHICLE

JTEKT Corporation, Osaka...

1. A warning device for a vehicle comprising:
a vibration wave generator that generates a warning vibration wave based on an operating state of a vehicle; and
a vibration applying device that applies warning vibration to a steering member based on the warning vibration wave generated
by the vibration wave generator,

the warning vibration wave containing a plurality of frequency components,
wherein the vibration applying device applies the warning vibration wave in such a way whereby the frequency component having
a higher frequency has a larger amplitude.

US Pat. No. 9,341,528

TORQUE DETECTOR AND STEERING SYSTEM INCLUDING THE TORQUE DETECTOR

JTEKT CORPORATION, Osaka...

1. A torque detector comprising:
a permanent magnet;
a magnetic yoke that is arranged in a magnetic field created by the permanent magnet, and of which a position relative to
the permanent magnet varies;

a magnetic flux collecting unit including a magnetic flux collecting holder formed in an annular shape by resin molding and
surrounding the magnetic yoke, a magnetic flux collecting ring that is attached to an inner peripheral face of the magnetic
flux collecting holder and that collects magnetic fluxes of the magnetic yoke, and a magnetic shield formed by bending a metal
plate and attached to an outer peripheral face of the magnetic flux collecting holder;

a magnetic sensor that detects a magnetic flux of a magnetic circuit formed by the permanent magnet, the magnetic yoke and
the magnetic flux collecting ring; and

a sensor housing, wherein resin is supplied to an outer periphery of the magnetic shield so that the sensor housing is formed
integrally with the magnetic flux collecting unit, wherein

the magnetic shield has a shield body held between an inner face of the sensor housing and the outer peripheral face of the
magnetic flux collecting holder, a shield end portion constituting an end portion of the metal plate in a circumferential
direction, and a bent portion bent from the shield body and connecting the shield body and the shield end portion to each
other, and

a second angle formed between an outer side face of the shield end portion and a radial direction of the sensor housing is
smaller than a first angle formed between an outer peripheral face of the shield body and the radial direction of the sensor
housing.

US Pat. No. 9,293,970

CONTROL DEVICE AND MOTOR UNIT INCLUDING THE CONTROL DEVICE

JTEKT CORPORATION, Osaka...

1. A control device, comprising:
a housing having a supporting wall portion; and
a circuit board comprising:
a ceramic portion formed on the supporting wall portion;
a circuit board body fixed to the ceramic portion;
a circuit element located inside the circuit board body; and
a plurality of load receiving members that at least partially surround the circuit element inside the circuit board body.

US Pat. No. 9,249,833

TAPERED ROLLER BEARING AND POWER TRANSMISSION DEVICE

JTEKT CORPORATION, Osaka...

1. A tapered roller bearing comprising:
an inner ring having an inner ring raceway surface and a large rib that is adjacent a first axial end of the inner ring raceway
surface;

an outer ring disposed radially outward of the inner ring so as to be concentric with the inner ring, and having an outer
ring raceway surface that faces the inner ring raceway surface;

a plurality of tapered rollers rollably disposed between the inner ring raceway surface and the outer ring raceway surface;
and

a cage that holds the tapered rollers at prescribed intervals in a circumferential direction of the tapered roller bearing,
wherein

each of the tapered roller has a roller large end face formed as a convex face, and a large rib end face of the large rib,
which is in sliding contact with the roller large end face, is formed as a concave face;

when a distance R is defined as a distance from a cone center of each of the tapered rollers to a prescribed reference point
that is apart from the cone center along the inner ring raceway surface,

the large rib end face is formed at such a position that the large rib end face passes through the reference point, and a
curvature radius Ri of the large rib end face is set to a value within a range from 100% to 120% of the distance R, and

the roller large end face is formed at such a position that the roller large end face passes through the reference point,
and a curvature radius Rr of the roller large end face is set to a value within a range from 80% to 100% of the distance R.

US Pat. No. 9,172,080

ELECTRODE PRODUCTION SYSTEM

JTEKT CORPORATION, Osaka...

1. An electrode production system that produces an electrode of a battery, and that includes: a coating device which coats
a surface of a metal foil, which is unwound from a roll of the wound metal foil and conveyed, with an electrode material containing
a solvent so that the electrode material containing the solvent adheres to the surface of the metal foil; a drying device
that dries the electrode material containing the solvent and adhering to the surface of the conveyed metal foil so that the
electrode material is fixed to the surface of the conveyed metal foil; and a pressing device that presses the electrode material
fixed to the surface of the conveyed metal foil, wherein
the coating device, the drying device and the pressing device are provided with a plurality of rollers by which the metal
foil is folded a plurality of times and conveyed, wherein the drying device includes at least one roller of said plurality
of rollers; and

the coating device, the drying device and the pressing device are arranged so that a coating process, a drying process and
a pressing process are serially performed on the metal foil being conveyed by using the rollers,

wherein the drying device includes one roller among the rollers, a heating device placed inside the one roller, and an exhaust
device placed around the one roller, and

wherein the drying device performs the drying process while the metal foil is in contact with the one roller.

US Pat. No. 9,156,492

ENERGY ABSORBING STEERING APPARATUS

JTEKT CORPORATION, Osaka...

1. An energy absorbing steering apparatus in which shock applied to a steering column is absorbed by plastic deformation of
a bracket for suspending the steering column from a vehicle body, the energy absorbing steering apparatus wherein
the bracket includes:
a first plate portion which is to be fixed to the vehicle body;
a second plate portion which is bent from a rear edge of the first plate portion toward a lower portion of the vehicle body;
a third plate portion which is bent from a lower edge of the second plate portion toward a rear upper portion of the vehicle
body;

a fourth plate portion which is bent from an upper edge of the third plate portion toward the lower portion of the vehicle
body;

a first bent portion which is between the first plate portion and the second plate portion;
a second bent portion which is between the second plate portion and the third plate portion; and
a third bent portion is between the third plate portion and the fourth plate portion,
the fourth plate portion is perpendicular to an axial direction of the steering column, and the steering column is fixed to
the fourth plate portion,

an angle of the first bent portion is an obtuse angle, and
each of an angle of the second bent portion and an angle of the third bent portion is an acute angle.

US Pat. No. 9,387,855

VEHICLE CONTROL APPARATUS AND VEHICLE CONTROL METHOD

JTEKT CORPORATION, Osaka...

1. A vehicle control apparatus that controls a steering apparatus of a vehicle to make the vehicle to perform automated cruise,
the apparatus comprising:
a switching signal receiving unit that receives a signal from a switching device disposed in the vehicle, the switching device
being a switch that switches a cruise mode between a manual cruise mode and an automated cruise mode;

a vehicle information receiving unit that receives vehicle information that is information regarding travelling of the vehicle;
a vehicle positional information receiving unit that receives vehicle positional information indicating a widthwise relative
positional relationship between a lane in which the vehicle is travelling and the vehicle in the lane; and

a steering control signal output unit that outputs a signal for controlling the steering apparatus of the vehicle,
wherein the vehicle control apparatus starts making a determination as to whether the automated cruise mode or the manual
cruise mode is to be selected as the cruise mode, in response to a switching signal input into the switching signal receiving
unit,

wherein the vehicle control apparatus makes the determination based on both or one of the vehicle information input into the
vehicle information receiving unit and the vehicle positional information input into the vehicle positional information receiving
unit, and

wherein when it is determined that the automated cruised mode is to be selected as the cruise mode, the vehicle control apparatus
starts the automated cruise control of the vehicle by switching the cruise mode to the automated cruise mode and outputting
a steering control signal from the steering control signal output unit to start control of the steering apparatus.

US Pat. No. 9,322,456

ELECTRIC POWER STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. An electric power steering device comprising:
a steered shaft that changes a steering angle of steered wheels responding to steering operation;
a motor that applies assist force to the steered shaft;
a drive pulley that includes helical teeth and is connected to an output shaft of the motor;
a driven pulley that includes helical teeth and is arranged coaxially with the steered shaft; and
a belt that includes helical teeth meshing with the helical teeth of a set of the drive pulley and the driven pulley, and
is wound around the set of the pulleys,

wherein:
the helical teeth of at least one of the pulleys and the belt each have a first end, an opposite second end having a thickness
smaller than that of the first end, and a center region therebetween in the width direction of the at least one of the pulleys
and the belt, and

the helical teeth of the at least one of the pulleys and the belt each have a tooth thickness that is reduced from the center
region toward the first end and from the center region toward the second end.

US Pat. No. 9,262,916

SERVER FOR PROVIDING TRAFFIC IMAGE TO USER DEVICE, AND THE USER DEVICE

KT Corporation, Seongnam...

1. A server for providing a traffic image, the server comprising:
a location information receiving unit which periodically receives, from each of a plurality of devices which are installed
in respective vehicles, information relating to a respective location of each of the vehicles;

a vehicle location management unit which receives a traffic image request including information relating to a particular area
from a first user device, and which detects at least two vehicles located within the particular area based on the location
information;

a vehicle information sending unit which sends information relating to the detected at least two vehicles to the first user
device;

a traffic image requesting unit which receives information relating to a vehicle selected from among the detected at least
two vehicles from the first user device, and which requests, from a device installed in the selected vehicle, transmission
of a traffic image of the selected vehicle; and

a traffic image providing unit which, when the device installed in the selected vehicle accepts the request for transmission
of the traffic image of the selected vehicle based on a user input, receives the transmitted traffic image and provides, to
the first user device, the traffic image and information which relates to a respective location of each of the detected at
least two vehicles which is usable for displaying each of the detected at least two vehicles on a map,

wherein, when the device installed in the selected vehicle refuses the request for transmission of the traffic image of the
selected vehicle based on a user input, the traffic image providing unit transmits, to the first user device, a message which
includes information that the traffic image request has been refused,

wherein the device installed in the selected vehicle is configured to provide a first user interface screen which includes
a plurality of selectable buttons which correspond to information relating to the selected vehicle, and

wherein when a button from among the plurality of selectable buttons is selected, the device installed in the selected vehicle
is further configured to provide a second user interface screen which includes a first selectable button relating to transmitting
a captured image and a second selectable button relating to transmitting streaming video.

US Pat. No. 9,174,666

RACK SHAFT SUPPORT DEVICE AND STEERING SYSTEM INCLUDING RACK SHAFT SUPPORT DEVICE

JTEKT CORPORATION, Osaka...

1. A rack shaft support device comprising:
a support yoke arranged in an accommodating portion of a rack housing for accommodating a rack shaft, the support yoke moving
the rack shaft in a pressing direction toward a pinion shaft in the accommodating portion;

a plug including:
a plug fixing portion arranged across the support yoke from the rack shaft in the accommodating portion, the plug fixing portion
being fixed to the rack housing,

a plug cam portion having a first cam face, the plug cam portion being arranged closer to the support yoke than the plug fixing
portion,

a plug back wall portion formed across the plug fixing portion from the support yoke, and
a first restricting portion having a first body portion and a first facing portion, the first restricting portion protruding
from the plug back wall portion toward the support yoke;

an intermediate cam component including:
an intermediate cam body arranged closer to the support yoke than the plug in the accommodating portion, and the intermediate
cam body having an axis extending in the pressing direction,

an intermediate cam portion having a second cam face contacting the first cam face, the intermediate cam portion being formed
around the intermediate cam body, and

a second restricting portion having a second body portion and a second facing portion, the second restricting portion protruding
from the intermediate cam body toward the plug and overlapping the first restricting portion in a direction intersecting with
the axis of the intermediate cam body; and

a rotation force generating spring connected to the plug, the rotation generating spring applying a force to the intermediate
cam component to cause the intermediate cam component to rotate with respect to the plug, the rotation force generating spring
having a coil-shaped spring winding portion, a first spring end portion and a second spring end portion, wherein

the first restricting portion and the second restricting portion are inserted in a radially inner side of the spring winding
portion,

the first body portion of the first restricting portion retains the first spring end portion, and the first facing portion
of the first restricting portion overlaps the second restricting portion in the direction that intersects with the axis of
the intermediate cam body, and

the second body portion of the second restricting portion retains the second spring end portion, and the second facing portion
of the second restricting portion overlaps the first facing portion in the direction that intersects with the axis of the
intermediate cam body.

US Pat. No. 9,174,669

CONTROL APPARATUS FOR HYDRAULIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A control apparatus for a hydraulic power steering system, the hydraulic power steering system including two or more electric
pumps that supply hydraulic fluid to a hydraulic actuator that generates assist force,
wherein when starting the two or more electric pumps, the control apparatus for the hydraulic power steering system staggers
timings to start electric power supplies to motors serving as driving sources of the respective electric pumps, and

wherein when a value of current passed to a first electric pump, which is one of the two or more electric pumps and to which
electric power is started to be supplied, has been within a prescribed current range continuously for a prescribed period
of time or longer, the control apparatus for the hydraulic power steering system starts electric power supply to a second
electric pump that is one of the two or more electric pumps and that has been at a standstill.

US Pat. No. 9,163,745

SOLENOID VALVE

JTEKT CORPORATION, Osaka...

1. A solenoid valve for use with a controlled portion, the solenoid valve comprising:
a valve body including:
a fitting hole,
a supply passage configured to supply hydraulic fluid, and
an output passage configured to introduce the hydraulic fluid to the controlled portion;
a tubular sleeve fitted in the fitting hole of the valve body, the tubular sleeve including:
a valve hole,
a supply port communicating with the supply passage,
an output port communicating with the output passage,
a pair of recessed portions formed in an outer peripheral face of the tubular sleeve, the pair of recessed portions being
formed at positions on axially opposite sides of the supply port so as to extend in a circumferential direction of the tubular
sleeve,

a strip-shaped filter member fitted in the pair of recessed portions,
a pressure introduction portion formed in the tubular sleeve and being configured to communicate with the supply port, the
pressure introduction portion having a pressure suppressing an offset of a central axis of the tubular sleeve from a central
axis of the fitting hole, and

a communication hole formed in the tubular sleeve and being configured to communicate between the supply port and the pressure
introduction portion, the communication hole having an opening at a position between circumferentially opposite ends of the
filter member;

a spool valve accommodated in the valve hole of the tubular sleeve so as to be axially movable, the spool valve being configured
to change a flow passage area between the supply port and the output port by moving axially; and

a solenoid portion configured to axially move the spool valve, wherein
the pressure introduction portion is a cutout formed so as to extend from an opening of the communication hole along an axial
direction of the tubular sleeve.

US Pat. No. 9,157,513

RACK GUIDE UNIT AND STEERING SYSTEM INCLUDING THE RACK GUIDE UNIT

JTEKT CORPORATION, Osaka...

1. A rack guide unit comprising:
a rack guide accommodated in an accommodation portion formed in a housing through which a rack shaft meshed with a pinion
shaft is passed, so as to be allowed to approach and move away from the rack shaft, the rack guide supporting the rack shaft
such that the rack shaft is slidable in an axial direction of the rack shaft;

a closure member secured to an external opening end of the accommodation portion, the external opening end being located on
an opposite side of the accommodation portion from the rack shaft;

at least one coned disc spring that is interposed between the closure member and the rack guide, and that urges the rack guide
toward the rack shaft;

a recessed portion formed in an opposed portion of the rack guide, the opposed portion being opposed to the closure member;
a protrusion that is formed on the closure member, passed though the coned disc spring, and inserted in the recessed portion;
and

a retaining protrusion formed integrally with an outer periphery of the protrusion or formed separately from the protrusion
and attached to the outer periphery of the protrusion, and located at a position closer to a distal end of the protrusion
than the coned disc spring is, the retaining protrusion restraining the coned disc spring from coming off the protrusion.

US Pat. No. 9,488,225

ROLLING BEARING APPARATUS AND LUBRICATION UNIT

JTEKT CORPORATION, Osaka...

5. A lubrication unit comprising a tank in which a lubricant to be supplied to a lubricant-needed area of a rotating component
is stored and which enables the lubricant to flow out through a lower part of the tank, the lubrication unit being provided
adjacently to the lubricant-needed area, wherein
the lubricant is electrically conductive,
the lubrication unit further includes a first electrode provided in the lower part in the tank, a second electrode provided
at a position higher than a position of the first electrode in the tank, and a wiring section electrically connected to the
first electrode and the second electrode so as to allow electric continuity between the first electrode and the second electrode
to be detected, and

a lubricant repellant portion is provided in an area other than areas of the first electrode and the second electrode in the
tank.

US Pat. No. 9,485,737

CONTROLLING RADIO UNITS TO TRANSMITTING SIGNAL WITH DIFFERENT TRANSMISSION POWER

KT CORPORATION, Gyeonggi...

10. An apparatus for controlling a plurality of radio units to transmit a signal to user equipment, where each of the plurality
of radio units includes at least two antennas each associated with a different transmission pattern, the apparatus comprising:
at least one memory configured to store information for controlling the plurality of radio units;
a communication circuit configured to receive a signal strength value Sa of uplink signals between user equipment and a first
radio unit in a first cell and to receive a signal strength value Sb of uplink signals between the user equipment and a second
radio unit in a second cell; and

at least one processor configured to perform operations for controlling the plurality of radio units,
wherein the at least one processor includes
a determination unit configured to determine whether the user equipment is located at an overlapping cell area of the first
cell and the second cell based on the received signal strength values Sa and Sb of uplink signals; and

a controlling unit configured to, when the user equipment is determined as being located in the overlapping cell area, control
the first radio unit in the first cell to transmit a signal to the user equipment using a first resource block and to simultaneously
control the second radio unit in the second cell to transmit a reference signal associated with the first resource block with
a second transmission power, and

wherein the first radio unit is controlled to use a first transmission power to transmit the signal, the second radio unit
is controlled to use a second transmission power to transmit the reference signal, and the second transmission power is lower
than a first transmission power of the first radio unit in the first cell for transmitting a reference signal using the first
resource block.

US Pat. No. 9,402,196

INTEGRATED REPEATER FOR INTEGRATEDLY RELAYING VARIOUS TYPES OF COMMUNICATION SIGNALS, AND INTEGRATED RELAY SYSTEM

KT CORPORATION, Gyeonggi...

1. An integrated repeater for relaying a signal received from an upper device to a lower device, comprising:
a first receiver configured to receive a first mobile communication signal transmitted from a mobile communication base station
which is the upper device;

a second receiver configured to receive an Ethernet signal transmitted from an Ethernet equipment which is the upper device;
a first multiplexer configured to multiplex the first mobile communication signal received from the first receiver and the
Ethernet signal received from the second receiver;

a switching unit configured to deliver the signal output from the second receiver or the first multiplexer to the lower device,
depending on whether a fault of the mobile communication signal is generated;

a third receiver configured to receive a second mobile communication signal from the upper device;
a second multiplexer configured to multiplex the first mobile communication signal received from the first receiver and the
second mobile communication signal received from the third receiver; and

a transmitter configured to transmit the signal multiplexed in the second multiplexer to other lower device.

US Pat. No. 9,231,931

METHOD AND APPARATUS OF CONSTRUCTING SECURE INFRA-STRUCTURE FOR USING EMBEDDED UNIVERSAL INTEGRATED CIRCUIT CARD

KT Corporation, Seongnam...

1. A method of building a trust relationship in an eUICC environment, comprising:
transmitting, by a trust requesting object, a trust relationship requesting message including identification information and
signature information of the trust requesting object to a trust verifying object;

delivering, by the trust verifying object, the trust relationship requesting message to a trust relationship relay object
and receiving trust information of the trust requesting object corresponding to the trust relationship requesting message
from the trust relationship relay object; and

verifying, by the trust verifying object, the signature information of the trust requesting object using the trust information
of the trust requesting object,

wherein, in the receiving, the trust verifying object receives trust information of the trust requesting object corresponding
to the trust relationship requesting message from the trust relationship relay object in response to the trust information
of the trust requesting object not being found in the trust verifying object, and

wherein the trust requesting object creates authentication information and the trust information of the trust requesting object
based on eUICC identification information and transmits the trust information and the authentication information to the trust
relationship relay object.

US Pat. No. 9,225,990

METHOD AND APPARATUS FOR COEFFICIENT SCAN BASED ON PARTITION MODE OF PREDICTION UNIT

KT CORPORATION, Gyeonggi...

1. A method of decoding a video signal having a current block to be decoded with a decoding apparatus, comprising:
obtaining index information relating to the current block by entropy-decoding an input bitstream, the index information being
signaled, through the input bitstream, to select a collocated picture from a plurality of previously decoded pictures,

the collocated picture being representative of a picture including a collocated block which is used to derive a temporal motion
vector candidate of the current block

wherein the index information denotes information on a reference picture index of the current block;
obtaining a spatial motion vector candidate from a spatial neighboring block of the current block;
selecting, based on the index information, the collocated picture relating to the temporal motion vector candidate of the
current block;

obtaining the temporal motion vector candidate from the collocated block included in the selected collocated picture of the
current block, the collocated block being included in a collocated picture, the collocated picture being selected based on
a reference index which is extracted from the video signal;

generating a motion vector candidate list including the spatial motion vector candidate and the temporal motion vector candidate;
deriving a motion vector predictor based on the motion vector candidate list and a candidate index of the current block, the
candidate index specifying one of motion vector candidates included in the motion vector candidate list;

deriving a motion vector of the current block using the motion vector predictor and a motion vector difference;
obtaining prediction samples of the current block using the motion vector;
and decoding the current block by using the prediction samples.

US Pat. No. 9,199,665

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system comprising:
a controller that controls a motor that is a source of an assist force to be applied to a steering system of a vehicle, wherein
the controller
computes an assist controlled variable based on multiple kinds of state quantities indicating a steering system state, and
controls the motor based on the assist controlled variable, and
the controller
individually sets, for the respective state quantities, limits that limit a variation range of the assist controlled variable
based on the respective state quantities used to compute the assist controlled variable, and

limits a value of the assist controlled variable using the limits.

US Pat. No. 9,187,115

STEERING APPARATUS

JTEKT CORPORATION, Osaka...

1. A steering apparatus comprising:
a steering shaft connected to a steering member;
a hollow steering column rotatably supporting the steering shaft and being pivotable about a tilt center;
a first bracket including a first side plate and fixed to a vehicle body;
a second bracket that includes a second side plate facing the first side plate and is fixed to the steering column; and
a lock mechanism that includes a fastening shaft passed through a tilt elongate hole as a first through hole of the first
side plate and a second through hole of the second side plate, an operation lever capable of rotating together with the fastening
shaft, and a fastening mechanism that includes a fastening member and fastens the first side plate to the second side plate
by the fastening member upon a rotation operation of the operation lever in a locking direction; wherein:

the fastening mechanism further includes a first tooth row that is provided in close vicinity of the tilt elongate hole of
the first side plate and is formed of parallel teeth arranged in a tilt direction,

the fastening member includes a fastening plate for fastening the first side plate, a second tooth row that is provided on
the fastening plate and is formed of parallel teeth meshed with the first tooth row, and a boss that extends from the fastening
plate, is passed through the tilt elongate hole with a predetermined play therebetween to be restrained from rotating, and
is guided along the tilt elongate hole at the time of tilt adjustment,

the tilt elongate hole includes a first end located on a tilt direction upper side and a second end located on a tilt direction
lower side, and

a width of the first end of the tilt elongate hole is different from a width of the second end of the tilt elongate hole.

US Pat. No. 9,143,811

SYSTEM AND METHOD FOR PROVIDING CLOUD GAME SERVICE

KT Corporation, Seongnam...

1. An apparatus for providing a cloud game service, the apparatus comprising:
an input reception unit which receives an input signal from a first device from among at least one user device;
a game execution unit which executes a cloud game in response to the received input signal; and
a virtual graphic processing unit which encodes a frame of the executed cloud game by using a virtual graphic resource, and
which provides the encoded frame of the executed cloud game to the first device,

wherein the input reception unit receives, from the first device, a request for execution of the cloud game on a second device
from among the at least one user device,

wherein the virtual graphic processing unit is configured to change an encoding resolution into a resolution of the second
device in response to the received request for execution of the cloud game, and

wherein upon receipt of the request for execution of the cloud game, the game execution unit stops execution of the cloud
game on the first device and seamlessly start execution of the cloud game on the second device upon receipt of an input signal
from the second device.

US Pat. No. 9,121,784

TORQUE DETECTOR AND ELECTRIC POWER STEERING SYSTEM INCLUDING THE TORQUE DETECTOR

JTEKT CORPORATION, Osaka...

1. A torque detector comprising:
a permanent magnet attached to one of an input shaft and an output shaft that are connected to each other by a torsion bar
so as to be rotated relative to each other in response to torsion of the torsion bar, and magnetized in a circumferential
direction of the torque detector;

magnetic yokes including a first magnetic yoke having a first ring disposed around an outer periphery of the permanent magnet
and a plurality of first teeth extending from the first ring in an axial direction of the torque detector, and a second magnetic
yoke having a second ring disposed around the outer periphery of the permanent magnet so as to be opposed to and apart from
the first ring in the axial direction and a plurality of second teeth extending from the second ring toward the first ring
in the axial direction, the first teeth and the second teeth being alternately arranged in the circumferential direction,
and the magnetic yokes being attached to the other one of the input shaft and the output shaft so as to be located in a magnetic
field created by the permanent magnet; and

a magnetic sensor that detects a magnetic flux density of a magnetic circuit formed of the permanent magnet, the first magnetic
yoke and the second magnetic yoke, wherein

the first teeth extend in the axial direction beyond the second ring, and the second teeth extend in the axial direction beyond
the first ring.

US Pat. No. 9,077,548

METHOD AND APPARATUS FOR PROVIDING DIFFERENTIAL LOCATION-BASED SERVICE USING ACCESS POINT

KT Corporation, Seongnam...

1. A method of detecting a location of a communication terminal, the method comprising:
selecting a predetermined number of access points among a plurality of access points based on at least one of user input and
attributes of the plurality of access points;

obtaining a location coordinate of each of the selected access points;
calculating a centric coordinates using the obtained location coordinates of at least two of the selected access points; and
determining the calculated centric coordinate as the detected location of the communication terminal,
wherein the selecting the predetermined number of access points comprises hierarchically organizing the plurality of access
points such that an access point with an installation location coordinate being identified is ranked highest, and selecting
an access point having the highest ranking.

US Pat. No. 9,488,233

CONTROL DEVICE FOR ELECTROMAGNETIC CLUTCH

JTEKT CORPORATION, Osaka...

1. A control device for an electromagnetic clutch that permits and cuts off torque transmission between a first rotary member
and a second rotary member, comprising:
a first switch that is connected to one end of an electromagnetic coil forming the electromagnetic clutch;
a second switch that is connected to the other end of the electromagnetic coil;
a first diode that allows a first current to flow from the one end of the electromagnetic coil to a power supply line connecting
the second switch and a power source;

a second diode that allows a second current to flow from a reference potential point to the other end of the electromagnetic
coil; and

a control circuit that controls an on/off state of the first and second switches; wherein
the control circuit stops power supply to the electromagnetic coil by turning off both the first and second switches.

US Pat. No. 9,334,862

ELECTRIC OIL PUMP WITH DISCHARGE PRESSURE STABILIZATION

JTEKT CORPORATION, Osaka...

1. An electric oil pump that includes:
an oil pump;
an electric motor that is axially spaced apart from the oil pump and that shares a rotary shaft with the oil pump, wherein
a housing of the oil pump and a stator of the electric motor are fastened to each other with a screw inserted in an insertion
hole formed in a resin member arranged between the oil pump and the electric motor, wherein the housing of the oil pump and
the resin member are fixed to each other with a circumferential gap formed between them, wherein the circumferential gap extends
axially from an axial end face of the housing of the oil pump;

a coil wound at a stator core of the electric motor and a wire connection member connected to the coil being integrally molded
to the resin member; and

a retaining member that restricts fastening force between the housing of the oil pump and the stator of the electric motor
and that is inserted in a through-hole formed in the resin member, wherein the through-hole formed in the resin member is
separate from the insertion hole formed in the resin member that receives the screw, and wherein both the insertion hole and
the through-hole are formed next to each other in the resin member such that both the retaining member and the screw when
inserted into the resin member are positioned next to each other.

US Pat. No. 9,157,835

SENSOR DEVICE WITH PLURAL DETECTING UNITS

JTEKT CORPORATION, Osaka...

1. A sensor device comprising:
a plurality of sensor integrated circuits (ICs) each of which has a plurality of detecting units that detect a same state
quantity for a same detection object and that respectively output detection signals based on detection results;

wherein the state quantity of the detection object is detected on the basis of each of a plurality of the detection signals
that are respectively output from the plurality of detecting units of the sensor ICs, and a control device determines which
detection signal is abnormal among the plurality of detection signals from the sensor ICs, on the basis of a comparison among
the plurality of detection results, and

wherein when at least one detection signal has been determined to be abnormal among the plurality of detection signals respectively
output from the plurality of detecting units of the sensor ICs, the control device further determines which detection signal
is abnormal among the remaining plurality of detection signals other than the at least one detection signal determined to
be abnormal, on the basis of a comparison among the plurality of detection results that are respectively obtained from the
remaining plurality of detection signals.

US Pat. No. 9,807,762

METHOD AND DEVICE FOR ALLOCATING RESOURCES

KT CORPORATION, Gyeonggi...

1. A method for allocating resources, the method comprising:
monitoring resource information of a plurality of base stations including a first base station and a second base station;
receiving a resource allocation request from a first terminal that is located in a boundary region and connected to the first
base station;

checking whether a second terminal is connected to the second base station, whether the second terminal uses a voice service,
and whether the second terminal is located in the boundary region; and

when the second terminal is connected to the second base station, uses the voice service, and is located in the boundary region,
allocating resources to the first terminal based on interference with resources allocated to the second terminal,

wherein the boundary region is an overlapped region of cells of the first base station and the second base station, and
wherein the allocating of the resources of the first terminal comprising
for positions different from resources allocated to the second terminal, allocating resources to the first terminal using
a first level of a modulation and coding scheme and

for positions identical to the resources allocated to the second terminal, allocating resources to the first terminal using
a second level of a modulation and coding scheme, which is lower than the first level of the modulation and coding scheme;
and

the second level of the modulation and coding scheme is a scheme transmitting less data than the first level of the modulation
and coding scheme.

US Pat. No. 9,717,037

METHOD FOR SCANNING FOR ACCESS POINT IN WIRELESS LAN SYSTEM

KT Corporation, Seongnam...

1. An active scan method performed by a station, the active scan method comprising:
generating a probe request frame including signal strength information of the station;
transmitting the probe request frame to access points;
receiving a probe response frame corresponding to the probe request frame from a certain access point among the access points;
and

accessing the certain access point based on the probe response frame and a maximum probe response time,
wherein the maximum probe response time comprises a preset maximum time period during which the station is required to wait
for probe response frames from the access points.

US Pat. No. 9,490,942

METHOD AND TERMINAL FOR TRANSMITTING AND RECEIVING PHYSICAL UPLINK DATA CHANNEL MAPPING INFORMATION

KT CORPORATION, Gyeonggi...

1. A method of transmitting channel mapping information by a transmission/reception point, the method comprising:
generating physical uplink data channel mapping information of a transmission/reception point different from a serving transmission/reception
point of a first user equipment (UE), wherein the first UE belongs to the serving transmission/reception point; and

transmitting the physical uplink data channel mapping information to the first UE such that the first UE performs a physical
uplink data channel transmission using the physical uplink data channel mapping information,

wherein the physical uplink data channel transmission includes:
when the physical uplink data channel transmission is not a grant-based uplink transmission,
performing a resource mapping such that a physical uplink data channel resource is mapped to a last SC-FDMA symbol of a sub-frame
indicated by a previous uplink grant applied to initial transmission, transmission before retransmission for the initial transmission,
or transmission before the retransmission.

US Pat. No. 9,397,533

SPEED REDUCTION MECHANISM, AND MOTOR TORQUE TRANSMISSION DEVICE INCLUDING THE SPEED REDUCTION MECHANISM

JTEKT CORPORATION, Osaka...

1. A speed reduction mechanism, comprising:
a rotary shaft that rotates about a first axis and that has an eccentric portion of which a central axis is a second axis
that is offset from the first axis;

an input member that is arranged radially outward of the rotary shaft, that has a center hole of which a central axis is a
third axis and a plurality of through-holes arranged at equal intervals around the third axis, and that is formed of an external
gear provided with a first bearing interposed between an inner periphery of the input member, which defines the center hole,
and an outer periphery of the eccentric portion;

a rotation force applying member that is in mesh with the input member and that is formed of an internal gear having teeth
the number of which is larger than the number of teeth of the external gear; and

a plurality of output members that receive rotation force applied to the input member by the rotation force applying member,
that output the rotation force to an output target as torque of the output target, and that are passed through the respective
through-holes with second bearings provided radially outward of the respective output members, wherein the second bearings
are to be rotated at a revolving speed greater than that of the first bearings, wherein

the input member is arranged at such a position that a size S obtained by adding a fitting clearance formed between the first
bearing and the outer periphery of the eccentric portion, a fitting clearance formed between the first bearing and the inner
periphery of the input member, which defines the center hole, and a radial internal clearance of the first bearing is smaller
than a size S? obtained by adding a fitting clearance formed between an outer periphery of each of the output members and
a corresponding one of the second bearings, a fitting clearance formed between each of the second bearings and an inner periphery
of the input member, which defines a corresponding one of the through-holes, and a radial internal clearance of each of the
second bearings.

US Pat. No. 9,398,577

TRANSMISSION AND RECEPTION OF CONTROL INFORMATION

KT CORPORATION, Gyeonggi...

1. A method of transmitting control information to user equipment through data regions of two or more physical resource-block
(PRB) pairs in a subframe, in a transmission/reception point including at least one processor, the method comprising:
forming enhanced control channel elements (ECCEs), wherein (i) resource elements (REs) in each of the two or more PRB pairs
are indexed by repetitively using 16 numbers according to a frequency-first scheme, (ii) resource elements (REs) having an
identical index are included in an identical enhanced resource-element group (EREG), (iii) each of the ECCEs includes 4 or
8 EREGs corresponding to different EREG indices having an identical remainder when the different EREG indices are divided
by one of 4 and 2, and (iv) the EREGs included in each of the ECCEs are located in the two or more PRB pairs; and

transmitting the control information to the user equipment through at least one of the formed ECCEs,
wherein the forming includes:
when the number of the EREGs forming each of the ECCEs is less than the number of the PRB pairs,
forming the ECCEs such that each of the ECCEs is mapped to EREGs included in at least two PRB pairs which are selected by
hopping at a constant index interval.

US Pat. No. 9,270,213

MOTOR CONTROL DEVICE

JTEKT CORPORATION, Osaka...

1. A motor control device comprising:
a drive circuit that supplies drive electric power in three phases to a motor, according to turning on or off of switching
elements disposed in phase feeding paths for the motor;

a control unit that computes voltage command values of the three phases for the motor through current feedback control that
causes current values of the three phases for the motor to follow current command values corresponding to a target output
of the motor, and generates control signals for turning on or off the switching elements, based on the voltage command values
of the three phases; and

an abnormality detecting portion,
wherein when one of the three phases is set as a specific phase, the abnormality detecting portion determines that a current-carrying
failure occurs in the specific phase on a condition that all of (i) a condition that an absolute value of the current value
of the specific phase is less than a predetermined first current determination value, (ii) a condition that an absolute value
of the voltage command value of the specific phase is equal to or greater than a predetermined voltage command determination
value, and (iii) a condition that the voltage command value of the specific phase is deviated from the voltage command values
of two phases other than the specific phase are satisfied.

US Pat. No. 9,167,084

APPARATUS AND METHOD FOR PROVIDING CALL CONNECTION NOTIFICATION TO A CALLER BY DISPLAYING PUBLIC RELATION (PR) INFORMATION OF A CALLEE

KT CORPORATION, Gyeonggi...

1. A method for providing a call connection notification service, the method comprising:
receiving a telephone number of a callee when a caller initiates a call to the callee by transmitting a call connection request
to the callee;

searching for public relations (PR) information based on the telephone number of the callee;
providing a result of the searching to a user equipment of the caller when the callee answers the call by responding to the
call connection request; and

displaying a found PR information on a display unit of a user equipment of the caller for a first duration of time,
wherein prior to the receiving the telephone number, the method further comprises registering at least one telephone number
and corresponding PR information with a call connection notification service, and

wherein the registering the at least one telephone number and corresponding PR information comprises providing at least one
default PR image or at least one default PR sentence to a subscriber, receiving a selection for the corresponding PR information
from the at least one default PR image or the at least one default PR sentence, and registering the corresponding PR information
which is selected.

US Pat. No. 9,156,491

STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. A steering system comprising:
a restricted member that is restrained from being displaced together with a steering wheel during tilt adjustment or telescopic
adjustment;

a movable member that is displaced together with the steering wheel during tilt adjustment or telescopic adjustment;
a fastening mechanism that fastens the movable member and the restricted member together along a fastening direction in response
to a rotational operation of an operating lever;

a stationary tooth row provided in the restricted member; and
a movable tooth row provided in the movable member, and engageable with the stationary tooth row, wherein
the movable tooth row includes at least one first movable tooth and at least one second movable tooth,
the first movable tooth has a first tooth surface and a second tooth surface, the first tooth surface and second tooth surface
being inclined in opposite directions, and a rounded portion that serves as a tooth tip that directly connects the first tooth
surface and the second tooth surface to each other,

the second movable tooth has a first tooth surface and a second tooth surface, the first tooth surface and second tooth surface
of the second movable tooth being inclined in opposite directions, and a rounded portion that serves as a tooth tip that directly
connects the first tooth surface and the second tooth surface of the second movable tooth to each other,

a pressure angle of the first tooth and a pressure angle of the second tooth are equal to each other, and
a tooth depth of the first tooth is made greater than a tooth depth of the second tooth by setting a first curvature radius
of the rounded portion of the first tooth, smaller than a second curvature radius of the rounded portion of the second tooth.

US Pat. No. 10,075,940

METHOD FOR TRANSMITTING BUFFER STATUS REPORT IN DEVICE-TO-DEVICE COMMUNICATION, AND DEVICE THEREOF

KT CORPORATION, Gyeonggi...

1. A method for a first User Equipment (UE) to execute inter-UE direct communication with a second UE, the method comprising:triggering a Buffer Status Report (BSR) for inter-UE direct communication with the second UE;
transmitting the BSR to at least one of a Base Station (BS) and a radio resource allocation entity; and
receiving, from the at least one of the BS and the radio resource allocation entity, radio resource allocation information for the inter-UE direct communication,
wherein the BSR is triggered upon generation of at least one of predetermined events, where the at least one of the predetermined events is generated at least one of i) when the first UE initiates the inter-UE direct communication and ii) when the inter-UE direct communication begins;
wherein the BSR includes a logical channel identity index value for inter-UE direct communication, which is distinguished from a logical channel identity index value for communication with the BS;
wherein the BSR includes an inter-UE direct communication connection identity index value for distinguishing at least one inter-UE direct communication; and
wherein the logical channel identity index value for the inter-UE direct communication is defined as “11000”.

US Pat. No. 9,446,790

ELECTRIC POWER STEERING SYSTEM

JTEKT CORPORATION, Osaka...

1. An electric power steering system, comprising:
an electric motor that generates assist torque based on steering torque;
a main power supply that supplies electric power to the electric motor;
an auxiliary power supply device including an auxiliary power supply connected to the main power supply and capable of discharging
electric power to the electric motor; and

a control device that controls an operation of the auxiliary power supply device, wherein:
the control device switches a mode, as a mode of connection between the main power supply and the auxiliary power supply device,
among a first supply mode in which the main power supply and the auxiliary power supply are connected in series with each
other and a high-potential side of the auxiliary power supply is connected to the electric motor, a second supply mode in
which the main power supply and the auxiliary power supply are connected in series with each other and a low-potential side
of the auxiliary power supply is connected to the electric motor, and a main power supply charging mode in which the main
power supply and the auxiliary power supply are connected in parallel to each other, the main power supply charging mode being
a mode in which the auxiliary power supply charges the main power supply.

US Pat. No. 9,432,669

METHOD AND APPARATUS FOR INTRA PREDICTION WITHIN DISPLAY SCREEN

KT CORPORATION, Kyeonggi...

1. The method of decoding a video signal with a decoding apparatus, comprising:
determining, based on a prediction mode relating to a neighboring block, whether at least one of neighboring samples included
in the neighboring block is an unavailable sample for an intra prediction, the prediction mode indicating whether the neighboring
block is coded in an inter-prediction or the intra-prediction;

when at least one of the neighboring samples is determined to be the unavailable sample, substituting an available sample
for the unavailable sample, the available sample being adjacent to the unavailable sample;

deriving a prediction sample of the current block based on the neighboring samples; and
deriving a reconstruction sample of the current block using the prediction sample and a residual sample relating to the current
block,

wherein when the unavailable sample corresponds to at least one of left neighboring samples other than a top-left neighboring
sample, the substitution of the unavailable sample is performed using only a bottom neighboring sample of the unavailable
sample, without referring to a top neighboring sample of the unavailable sample, and

wherein when the unavailable sample corresponds to at least one of top neighboring samples, the substitution of the unavailable
sample is performed using a left neighboring sample of the unavailable sample.

US Pat. No. 9,346,482

STEERING-COLUMN DEVICE

JTEKT CORPORATION, Osaka...

1. A steering column device comprising:
a fixed bracket which includes a first plate fixed to a vehicle body-side member, wherein a first hole being an elongated
hole extending parallel to a column movement direction at the time of a secondary collision is formed in the first plate;

a movable jacket which rotatably supports a steering shaft having a steering member connected to one end of the steering shaft;
a movable bracket which supports the movable jacket so as to move in the column movement direction along with the movable
jacket at the time of the secondary collision and includes a second plate facing the first plate, wherein a second hole facing
the first hole is formed in the second plate; and

a suspension mechanism which is supported on the first plate, suspends the movable jacket through the movable bracket, and
is configured to move in the column movement direction at the time of the secondary collision, wherein the suspension mechanism
includes a suspension bolt which is inserted into the first hole and the second hole, and a nut which is screwed onto the
suspension bolt and connects the first plate and the second plate in cooperation with the suspension bolt,

the suspension bolt includes a head portion, a large-diameter portion which is continuous to the head portion with a smaller
diameter than the head portion and is inserted into the first hole, a small-diameter portion which is continuous to the large-diameter
portion with a smaller diameter than the large-diameter portion and is inserted into the second hole, a stepped portion which
is formed between the large-diameter portion and the small-diameter portion and comes into contact with the second plate,
and a threaded portion which is provided in the small-diameter portion and is screwed into the nut,

the second plate is pinched between the nut and the stepped portion, and
the suspension mechanism includes a leaf spring which is interposed between the head portion and the first plate, thereby
biasing the first plate to the second plate side.

US Pat. No. 9,297,419

TAPERED ROLLER BEARING

JTEKT CORPORATION, Osaka...

1. A tapered roller bearing comprising:
an inner ring that has an outer peripheral surface formed as an inner ring raceway surface in a shape of a tapered shaft;
an outer ring that is concentrically disposed on an outer peripheral side of the inner ring and has an inner peripheral surface
formed as an outer ring raceway surface in a shape of a tapered hole;

a plurality of tapered rollers disposed to be rollable in an annular space between the inner ring raceway surface and the
outer ring raceway surface; and

a cage having a plurality of pockets that hold the respective tapered rollers, wherein the cage includes: a large-diameter
side annular portion and a small-diameter side annular portion that are disposed in an axial direction with a predetermined
space therebetween and form wall portions in both axial ends of the pockets; and a plurality of cage bars each extending between
the large-diameter side annular portion and the small-diameter side annular portion to connect both end portions of the cage
bars and the annular portions, and forming wall portions on both circumferential sides of the pockets, and

a pressure difference reducing portion is provided which reduces the difference between a pressure in an inner region including
a smallest bore diameter portion of the outer ring raceway surface and a pressure in an outer region including a boundary
portion between an outer peripheral surface and an axially outer end surface of the small-diameter side annular portion of
the cage.

US Pat. No. 9,267,543

CAGE UNIT AND TAPERED ROLLER BEARING EQUIPPED WITH CAGE UNIT

JTEKT CORPORATION, Osaka...

1. A cage unit comprising:
a cage including a small diameter side annular portion, a large diameter side annular portion arranged so as to be spaced
apart in an axial direction from the small diameter side annular portion, and a plurality of cage bar portions that connect
the small diameter side annular portion and the large diameter side annular portion; and

a tapered roller accommodated in a pocket, which is a space surrounded by the small diameter side annular portion, the large
diameter side annular portion, and the cage bar portions; wherein

a lubrication groove lying along a circumferential direction is formed on an inner end face of the large diameter side annular
portion that faces a roller large end face of the tapered roller so as to be contactable therewith, and a circumferential
length of the lubrication groove is designed such that the lubrication groove is covered by the roller large end face of the
tapered roller in the circumferential direction when brought into contact with the roller large end face,

the lubrication groove is positioned on a radially outer side of a pitch circle of the roller large end face of the tapered
roller, the lubrication groove includes a short side extending in the circumferential direction, a long side positioned on
a radially inner side of the short side and having a longer circumferential length than the short side, and a coupling side
that connects ends of the short side and the long side, and an opening of the lubrication groove has a substantially trapezoidal
shape, and

a circumferential length between the coupling side and an edge of the roller large end face of the tapered roller is longer
than a relatively movable distance in the circumferential direction of the tapered roller and the pocket.

US Pat. No. 9,488,226

ROLLING BEARING APPARATUS AND LUBRICATION UNIT

JTEKT CORPORATION, Osaka...

1. A rolling bearing apparatus comprising:
a bearing portion including an inner ring, an outer ring, a plurality of rolling elements interposed between the inner ring
and the outer ring, and a cage that holds the rolling elements such that the rolling elements are arranged in a circumferential
direction; and

a lubrication unit including a pump that supplies a lubricant to an annular space formed between the inner ring and the outer
ring and a tank in which the lubricant is stored and which includes an outlet portion allowing the lubricant to flow out to
the pump, the lubrication unit being provided adjacently to the annular space, wherein

the pump includes a housing portion filled with the lubricant and a driving portion that drives the lubricant in the housing
portion to discharge the lubricant into the annular space, and

the lubrication unit further includes a sensor provided in the pump and having an output that changes according to an amount
of the lubricant in the housing portion, in order to detect insufficiency of the lubricant in the lubrication unit.

US Pat. No. 9,451,459

CERTIFICATION METHOD USING AN EMBEDDED UICC CERTIFICATE, PROVISIONING AND MNO CHANGING METHODS USING THE CERTIFICATION METHOD, EMBEDDED UICC THEREFOR, MNO SYSTEM, AND RECORDING MEDIUM

KT Corporation, Seongnam...

1. A method of certifying an embedded universal integrated circuit card (eUICC) cooperating with a mobile network operator
(MNO) system and a subscription manager (SM), the method comprising:
storing, by the eUICC, an eUICC certificate used for the MNO system or the SM to verify an identity of the eUICC; and
transmitting, by the eUICC, the eUICC certificate to the MNO system or the SM,
wherein the SM comprises a subscription manager-secure routing (SM-SR) and a subscription manager-data preparation (SM-DP),
both of which perform an encryption function such that the eUICC certificate is double encrypted upon a condition that both
the SM-SR and SM-DP are instructed to perform said encryption.

US Pat. No. 9,432,684

METHOD AND APPARATUS FOR ENCODING IMAGE, AND METHOD AND APPARATUS FOR DECODING IMAGE

KT CORPORATION, Gyeonggi...

1. A method of decoding a video signal having a current block to be decoded with a decoding apparatus, comprising:
obtaining residual samples of the current block from the video signal;
selecting a reference picture of the current block by using a reference index of the current block;
determining a reference block in the reference picture by using a motion vector of the current block;
generating reference samples in the reference block,
wherein generating the reference samples comprises:
deriving a first sub-sample based on a horizontal interpolation filter to be applied to an integer sample in the reference
picture and a shifting operation using a first shifting value; and

deriving a second sub-sample based on a vertical interpolation filter to be applied to the first sub-sample and a shifting
operation using a second shifting value, the second sub-sample being one of two quarter position samples and a half position
sample which are vertically aligned below the first sub-sample; and

obtaining prediction samples of the current block by using the reference samples; and
reconstructing the current block by using the residual samples and the prediction samples,
wherein coefficients of the vertical interpolation filter defined for each of the two quarter position samples and the half
position sample are different from each other, and

wherein the first shift value is a variable determined based on a bit depth of a luma component while the second shift value
is a constant.

US Pat. No. 9,432,695

METHOD AND APPARATUS FOR INTRA PREDICTION WITHIN DISPLAY SCREEN

KT CORPORATION, Kyeonggi...

1. A method of decoding a video signal with a decoding apparatus, the method comprising:
deriving reference samples for intra prediction of a current block based on at least one of neighboring samples adjacent to
the current block;

obtaining a prediction sample of the current block by performing the intra prediction on a target sample of the current block
based on a top reference sample having a same x-coordinate as the target sample and a variation relating to the reference
samples, wherein the variation relating to the reference samples is representative of a difference value between a reconstructed
value of a top-left reference sample whose a location is fixed regardless of a coordinate of the target sample and a reconstructed
value of a left reference sample whose a location is determined dependent on the coordinate of the target sample, the left
reference sample having a same y-coordinate as the target sample; and

deriving a reconstruction sample of the current block by adding the prediction sample and a residual sample relating to the
current block.

US Pat. No. 9,327,755

STEERING DEVICE

JTEKT CORPORATION, Osaka...

1. A steering device comprising:
a steering shaft including a first end to which a steering member is mounted and a second end, wherein the steering shaft
is telescopically adjustable in an axial direction of the steering shaft;

a column jacket rotatably supporting the steering shaft and including an upper jacket positioned on a first end side and a
lower jacket positioned on a second end side, wherein the column jacket is telescopically adjustable together with the steering
shaft with movement of the upper jacket relative to the lower jacket in the axial direction;

a lock plate fixed to the upper jacket and provided with a plurality of holes arranged in the axial direction;
a support bracket fixed to a vehicle body and supporting the column jacket;
a lock member that advances to and retreats from the lock plate between an advance position at which the lock member is engaged
with one of the holes of the lock plate and a retreat position at which the lock member is disengaged from the hole of the
lock plate;

an operation member supported by the support bracket in a state in which the operation member is mechanically separated from
the lock member, wherein the operation member is operated when the steering shaft and the column jacket are telescopically
adjusted;

a biasing member that constantly biases the lock member toward the advance position irrespective of operation of the operation
member; and

a transmission member that moves the lock member to the retreat position against a biasing force of the biasing member in
accordance with the operation of the operation member.

US Pat. No. 9,325,668

SYSTEM FOR SUPPORTING OVER-THE-AIR SERVICE AND METHOD THEREOF

KT CORPORATION, Gyeonggi...

1. A system for providing Over-The-Air (OTA) service, comprising:
an OTA server including at least one hardware processor which is configured to:
(1) receive a request for OTA data from a mobile terminal,
(2) determine whether the requested OTA data is a first type of OTA data or a second type of OTA data,
(3) if the requested OTA data is the first type of OTA data, (i) encrypt the first type of OTA data using a first type of
OTA key, and (ii) create a message including a first type of encrypted OTA data, and

(4) if the requested OTA data is the second type of OTA data, (i) primarily encrypt the second type of OTA data using a second
type of OTA key, (ii) secondarily encrypt a second type of primarily encrypted OTA data using the first type of OTA key, and
(iii) create a message including a second type of secondarily encrypted OTA data; and

a message center configured to (i) receive the created message from the OTA server, and (ii) send the received message to
the mobile terminal,

wherein the first type of OTA data is terminal information related to the mobile terminal, and the second type of OTA data
is at least one of an applet and personal information related to the applet for use of an additional service.

US Pat. No. 9,271,243

WIRELESS ACCESS POINT AND METHOD AND DEVICE FOR CONTROLLING WIRELESS ACCESS POINT

KT Corporation, Seongnam...

1. A device for controlling a wireless access point comprising:
a grouping unit configured to group wireless access points using a same channel based on channel use information received
from the wireless access points;

a map generator configured to compute a received signal strength indicator (RSSI) between the grouped wireless access points
and an output strength value for each of the grouped wireless access points;

an extractor configured to extract a wireless access point having a highest RSSI value among the grouped wireless access points,
if interference occurs between the grouped wireless access points; and

an optimal output strength value calculator configured to compute a corrected output strength value based on the highest RSSI
value of the extracted wireless access point, a predetermined threshold value of the RSSI between the grouped wireless access
points, and a currently used output strength value.

US Pat. No. 9,248,807

CAR CONTROL SYSTEM

KT Corporation, Seongnam...

1. A car control system configured to control a car by being linked with a car control device, the car control system comprising:
an authentication server configured to perform access authentication for a portable user terminal and generate an authentication
result based on at least one of terminal information of the user terminal and vehicle identification information; and

a car access device which is non-portably installed in the car and connected to the car control device and configured to determine
whether a car control request for control of the car by the user terminal is to be relayed to the car control device according
to the authentication result of the user terminal obtained from the authentication server,

wherein, in response to the authentication result being an authentication failure, the car access device is configured to
change a car control state to an abnormal operation mode, control the car, and notify the car control state to the car control
device.

US Pat. No. 9,169,871

CAGE AND METHOD OF ASSEMBLING CAGE

JTEKT CORPORATION, Osaka...

1. A cage comprising:
a first annular member made of resin, having a plurality of through-holes that are located at intervals in a circumferential
direction of the first annular member, and having one-side axial end face located on one side in an axial direction of the
first annular member;

a second annular member made of resin, having a plurality of through-holes that are located at intervals in a circumferential
direction of the second annular member, and having another-side axial end face that is located on another side relative to
the one side in the axial direction and that contacts the one-side axial end face of the first annular member;

pipe members each being a single-piece member, and each having a pipe portion that has a plurality of slits that are located
at intervals in a circumferential direction of the pipe member, the slits extending in an axial direction of the pipe member
and the slits extending through the pipe portion in a radial direction of the pipe member, and the pipe portions being passed
through the through-holes of the first annular member and the through-holes of the second annular member; and

fixed members each having a shaft portion passed through any one of the pipe members in the axial direction of the pipe member,
a first fixed portion that contacts one axial end portion of the pipe member and that is fixed to one-side axial end face
of the second annular member, and a second fixed portion that contacts the other axial end portion of the pipe member and
that is fixed to the other-side axial end face of the first annular member, wherein

an outer face of each of the pipe members is engaged with both an inner peripheral face that defines a corresponding one of
the through-holes of the first annular member and an inner peripheral face that defines a corresponding one of the through-holes
of the second annular member, with a frictional force.

US Pat. No. 9,429,195

ROLLING BEARING APPARATUS AND LUBRICATION UNIT

JTEKT CORPORATION, Osaka...

1. A rolling bearing apparatus comprising:
a bearing portion having an inner ring, an outer ring, a plurality of rolling elements interposed between the inner ring and
the outer ring, and a cage that holds the rolling elements such that the rolling elements are arranged in a circumferential
direction; and

a lubrication unit including a tank that stores a lubricant to be supplied to an annular space formed between the inner ring
and the outer ring and that has an outlet portion through which the lubricant flows out, the lubrication unit being provided
adjacently to the annular space, wherein

the tank has a flexible bag in which the lubricant is stored,
the bag is filled with the lubricant and allows the lubricant to flow out through the outlet portion as a volume of the bag
decreases, and

the lubrication unit further includes a pair of electrodes provided on opposite inner surfaces of the bag, and wiring sections
electrically connected to the respective electrodes to detect electric continuity of a circuit formed as a result of contact
between the electrodes.

US Pat. No. 9,136,919

SYSTEM FOR EXTENDING WIRELESS INTERNET COVERAGE

KT CORPORATION, Gyeonggi...

1. A system for extending coverage of a wireless Internet service by using a mobile communication network, the system comprising:
a wireless access point configured to provide the wireless internet service to devices within a predetermined service area
of the wireless access point;

a combiner coupled to the wireless access point and configured to provide the wireless internet service to devices outside
the predetermined service area of the wireless access point using the mobile communication network; and

a distributor of the mobile communication network for providing a mobile communication service to devices, coupled to the
combiner, and coupled to at least one antenna of the mobile communication network,

wherein the combiner is configured to
receive at least one of a wireless Internet signal for the wireless Internet service from the wireless access point and a
mobile communication signal for the mobile communication service from the mobile communication network,

isolate, with a filter, a signal band of the wireless Internet signal corresponding to the wireless access point and a signal
band of the mobile communication signal corresponding to the mobile communication network, and

output at least one of the wireless Internet signal and the mobile communication signal from the filter to the distributor
of the mobile communication network, and

wherein the distributor of the mobile communication network is configured to
receive the wireless Internet signal for the wireless Internet service from the combiner and
output the received wireless Internet signal via the at least one antenna of the mobile communication network.

US Pat. No. 9,308,934

STEERING CONTROL SYSTEM FOR VEHICLE AND STEERING CONTROL METHOD FOR VEHICLE

TOYOTA JIDOSHA KABUSHIKI ...

1. A steering control system for a vehicle, comprising:
an electric motor configured to apply assist force to a turning operation of a steering wheel;
a torque sensor configured to detect a torque that is generated in a steering system including the steering wheel and that
varies with the turning operation of the steering wheel;

an angular velocity sensor configured to detect an angular velocity that is generated in the steering system including the
steering wheel and that varies with the turning operation of the steering wheel; and

a control unit configured to compute an assist control amount for the turning operation of the steering wheel by using the
torque and the angular velocity, and configured to, when there occurs an abnormality in an operation of the torque sensor
to detect the torque, increase a first control amount that is computed by using the angular velocity detected by the angular
velocity sensor among control amounts that constitute the assist control amount as compared to that when the operation of
the torque sensor to detect the torque is normal and execute drive control over the electric motor on the basis of the assist
control amount.