Inventor
IBARAKI RYUJI
JP70 patents
⚠️ This page may combine multiple inventors who share the name “IBARAKI RYUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
42 patentsUS6155364ADec 5, 2000
Hybrid drive system wherein planetary gear mechanism is disposed radially inwardly of stator coil of motor/generator
TOYOTA MOTOR CO LTD192 citations99
US6098733AAug 8, 2000
Hybrid drive system for motor vehicle
TOYOTA MOTOR CO LTD181 citations99
US6081042AJun 27, 2000
Hybrid vehicle drive system including controllable device between engine and electric motor and vehicle drive wheels, and apparatus for controlling the device depending upon selected operation mode of the system
TOYOTA MOTOR CO LTD161 citations99
US5915801AJun 29, 1999
Regenerative brake controller for controlling value of regenerative braking torque simulating engine braking torque
TOYOTA MOTOR CO LTD156 citations99
US5887670AMar 30, 1999
Vehicle power transmitting system having devices for electrically and mechanically disconnecting power source and vehicle drive wheel upon selection of neutral state
TOYOTA MOTOR CO LTD146 citations99
US5856709AJan 5, 1999
Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator
TOYOTA MOTOR CO LTD361 citations99
US5841201ANov 24, 1998
Hybrid vehicle drive system having a drive mode using both engine and electric motor
TOYOTA MOTOR CO LTD266 citations99
US5789882AAug 4, 1998
Vehicle control apparatus adapted to select engine-or motor-drive mode based on physical quantity reflecting energy conversion efficiencies in motor-drive mode
TOYOTA MOTOR CO LTD162 citations99
US6886648B1May 3, 2005
Power output device, hybrid vehicle, and method of controlling them
TOYOTA MOTOR CO LTD119 citations98
US6340339B1Jan 22, 2002
Vehicle drive device
TOYOTA MOTOR CO LTD133 citations98
US5982045ANov 9, 1999
Hybrid vehicle drive system adapted to prevent concurrent mode change and transmission shifting or torque distribution ratio change
TOYOTA MOTOR CO LTD133 citations98
US5951614ASep 14, 1999
Vehicle hybrid drive system control apparatus adapted to reduce transmission input torque upon transmission shifting, by using engine and/or motor/generator
TOYOTA MOTOR CO LTD129 citations98
US5927415AJul 27, 1999
Hybrid vehicle controller
TOYOTA MOTOR CO LTD100 citations98
US5923093AJul 13, 1999
Hybrid vehicle drive system adapted to assure smooth brake application by motor/generator or engine
TOYOTA MOTOR CO LTD112 citations98
US5875691AMar 2, 1999
Hybrid drive system
TOYOTA MOTOR CO LTD116 citations98
US5833570ANov 10, 1998
Vehicle transmission shift control apparatus wherein torque of motor connected to automatic transmission is controlled to reduce shifting shock of transmission
TOYOTA MOTOR CO LTD109 citations98
US5818116AOct 6, 1998
Starting control apparatus for internal combustion engine and method of the same
TOYOTA MOTOR CO LTD151 citations98
US5722911AMar 3, 1998
Vehicle control apparatus adapted to charge energy storage device by generator driven by surplus engine power which changes with required vehicle drive force
TOYOTA MOTOR CO LTD100 citations98
US5635805AJun 3, 1997
Hybrid vehicle
TOYOTA MOTOR CO LTD233 citations98
US7288043B2Oct 30, 2007
Belt type continuously variable transmission
TOYOTA MOTOR CO LTD126 citations97
US6317665B1Nov 13, 2001
Vehicle control system
TOYOTA MOTOR CO LTD79 citations96
US6158541ADec 12, 2000
Electric motor vehicle having means for fully discharging part of energy storage device when energy amount in the other part is larger than a threshold
TOYOTA MOTOR CO LTD77 citations96
US5935040AAug 10, 1999
Hybrid vehicle drive system adapted to produce substantially constant vehicle drive force under the same vehicle running condition, even in different modes of operation
TOYOTA MOTOR CO LTD84 citations96
US5873426AFeb 23, 1999
Hybrid vehicle drive system having means for using at least engine as drive power source in special vehicle operating state, to assure sufficient drive force
TOYOTA MOTOR CO LTD89 citations96
US5725064AMar 10, 1998
Hybrid vehicle with pumping loss reducing function
TOYOTA MOTOR CO LTD75 citations96
US8052569B2Nov 8, 2011
Controller of power transmission
TOYOTA MOTOR CO LTD25 citations93
US7396308B2Jul 8, 2008
Vehicular drive system
TOYOTA MOTOR CO LTD27 citations93
US7363996B2Apr 29, 2008
Vehicular drive system
TOYOTA MOTOR CO LTD46 citations93
US6003626ADec 21, 1999
Hybrid drive system for motor vehicle, having means for inhibiting electricity generating drive mode
TOYOTA MOTOR CO LTD40 citations93
US7811191B2Oct 12, 2010
Control apparatus for vehicular drive system
TOYOTA MOTOR CO LTD41 citations92
US7267211B2Sep 11, 2007
Damper device and lock-up clutch device
TOYOTA MOTOR CO LTD25 citations92
US5525117AJun 11, 1996
Gear transmission for automatic transmissions
TOYOTA MOTOR CO LTD53 citations92
US5993169ANov 30, 1999
Oil pressure generator having at least two coaxial rotating power sources and power output apparatus
TOYOTA MOTOR CO LTD48 citations91
US5772552AJun 30, 1998
Gear transmission unit for automatic transmission
TOYOTA MOTOR CO LTD27 citations89
US9713955B2Jul 25, 2017
Power transmitting apparatus for hybrid vehicle
TOYOTA MOTOR CO LTD9 citations84
US7988573B2Aug 2, 2011
Device and method for controlling belt-type continuously variable transmission
TOYOTA MOTOR CO LTD12 citations84
US7918753B2Apr 5, 2011
Hydraulic control unit
TOYOTA MOTOR CO LTD16 citations84
US7766778B2Aug 3, 2010
Drive device for vehicle
TOYOTA MOTOR CO LTD15 citations84
US7753814B2Jul 13, 2010
Belt type continuously variable transmission
TOYOTA MOTOR CO LTD8 citations84
US7670244B2Mar 2, 2010
Power transmission system
TOYOTA MOTOR CO LTD9 citations83
US8360927B2Jan 29, 2013
Vehicle power transmission device
TOYOTA MOTOR CO LTD8 citations82
US5478291ADec 26, 1995
Gear shift system for automatic transmission
TOYOTA MOTOR CO LTD17 citations74
AISIN AW CO
6 patentsUS7469758B2Dec 30, 2008
Electric vehicle drive control device and control method therefor
AISIN AW CO26 citations92
US7992385B2Aug 9, 2011
Hydraulic control device
AISIN AW CO7 citations84
US7905807B2Mar 15, 2011
Hydraulic control apparatus for automatic transmission, and hybrid drive system provided with the same
AISIN AW CO15 citations84
US7762365B2Jul 27, 2010
Electric vehicle drive control device and control method therefor
AISIN AW CO14 citations84
US7727099B2Jun 1, 2010
Vehicle driving device
AISIN AW CO8 citations84
US7632201B2Dec 15, 2009
Hybrid drive apparatus
AISIN AW CO10 citations84
SHIMIZU TETSUYA
1 patentNOZAWA HIROFUMI
1 patentShowing the top 50 of 70 patents by PatentIndex Score.