Inventor
YASUDA YUJI
JP86 patents
⚠️ This page may combine multiple inventors who share the name “YASUDA YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
26 patentsUS5172799ADec 22, 1992
Centrifugal hydraulic cancel mechanism for the rotating clutch
TOYOTA MOTOR CO LTD63 citations94
US6802795B2Oct 12, 2004
Automatic transmission of motor vehicle
TOYOTA MOTOR CO LTD30 citations93
US10350983B2Jul 16, 2019
Power transmission system
TOYOTA MOTOR CO LTD8 citations84
US9713955B2Jul 25, 2017
Power transmitting apparatus for hybrid vehicle
TOYOTA MOTOR CO LTD9 citations84
US7566287B2Jul 28, 2009
Clutch device for automatic transmission
TOYOTA MOTOR CO LTD11 citations84
US7029413B2Apr 18, 2006
Neutral control for vehicular automatic transmission
TOYOTA MOTOR CO LTD13 citations84
US7010911B2Mar 14, 2006
Fluid pressure control circuit
TOYOTA MOTOR CO LTD11 citations84
US6849022B2Feb 1, 2005
Automatic transmission
TOYOTA MOTOR CO LTD12 citations84
US7284647B2Oct 23, 2007
Clutch device for automatic transmission
TOYOTA MOTOR CO LTD7 citations74
US7255038B2Aug 14, 2007
Piston for automatic transmission
TOYOTA MOTOR CO LTD8 citations74
US10001206B2Jun 19, 2018
Power transmission system for vehicle
TOYOTA MOTOR CO LTD4 citations73
US9944164B2Apr 17, 2018
Power transmitting apparatus for hybrid vehicle
TOYOTA MOTOR CO LTD5 citations73
US9630487B2Apr 25, 2017
Hybrid system
TOYOTA MOTOR CO LTD3 citations73
US9604530B2Mar 28, 2017
Drive system for hybrid vehicle
TOYOTA MOTOR CO LTD3 citations73
US7261674B2Aug 28, 2007
Hydraulic control apparatus for automatic transmission
TOYOTA MOTOR CO LTD7 citations73
US7255212B2Aug 14, 2007
Hydraulic control circuit for automatic transmission of vehicle
TOYOTA MOTOR CO LTD7 citations73
US7175556B2Feb 13, 2007
Hydraulic control apparatus for automatic transmission
TOYOTA MOTOR CO LTD7 citations73
US7134536B2Nov 14, 2006
Hydraulic control circuit for automatic transmission of vehicle
TOYOTA MOTOR CO LTD8 citations73
US7104381B2Sep 12, 2006
Dual connecting and disconnecting apparatus
TOYOTA MOTOR CO LTD8 citations73
US6968934B2Nov 29, 2005
Lubricating structure of friction engaging device
TOYOTA MOTOR CO LTD8 citations73
US6941752B2Sep 13, 2005
Stator support device and torque converter including the same
TOYOTA MOTOR CO LTD9 citations72
US7827882B2Nov 9, 2010
Differential gear unit
TOYOTA MOTOR CO LTD5 citations63
US7524258B2Apr 28, 2009
Vehicular automatic transmission
TOYOTA MOTOR CO LTD5 citations63
US7513351B2Apr 7, 2009
Piston for automatic transmission
TOYOTA MOTOR CO LTD4 citations63
US7481734B2Jan 27, 2009
Hydraulic control apparatus and hydraulic control method of vehicular automatic transmission
TOYOTA MOTOR CO LTD4 citations63
US7452300B2Nov 18, 2008
Rotary-shaft support device
TOYOTA MOTOR CO LTD3 citations63
RICOH KK
11 patentsUS4906081AMar 6, 1990
Transmissive filter for correcting illuminance distribution
RICOH KK26 citations93
US4891739AJan 2, 1990
Illuminating device
RICOH KK25 citations93
US4747033AMay 24, 1988
Illuminating device
RICOH KK25 citations93
US5376994ADec 27, 1994
Compact BI-color electrophotographic image forming apparatus
RICOH KK36 citations92
US5309182AMay 3, 1994
Bicolor image forming apparatus for forming a bicolor image on a photoconductive element
RICOH KK26 citations92
US7702261B2Apr 20, 2010
Development device and method capable of maintaining toner concentration at constant level without shortening life of developer, process cartridge, and imaging forming apparatus
RICOH KK9 citations84
US6945729B2Sep 20, 2005
Structure for fastening by screw
RICOH KK18 citations84
US5280362AJan 18, 1994
Digital copier for copying a bicolored document at the same speed as a monocolored document
RICOH KK9 citations74
US5166704ANov 24, 1992
Laser writing device for image forming equipment
RICOH KK16 citations74
US4189763AFeb 19, 1980
Document illumination apparatus
RICOH KK10 citations74
US4782369ANov 1, 1988
Device for illuminating an original document
RICOH KK8 citations73
KOITO MFG CO LTD
7 patentsUS7985013B2Jul 26, 2011
Vehicle lighting device
KOITO MFG CO LTD26 citations93
US7618174B2Nov 17, 2009
Vehicle lamp
KOITO MFG CO LTD22 citations92
US7753575B2Jul 13, 2010
Vehicle lamp
KOITO MFG CO LTD14 citations84
US10288252B2May 14, 2019
Vehicle lamp unit
KOITO MFG CO LTD3 citations73
US9517717B2Dec 13, 2016
Automotive lamp
KOITO MFG CO LTD5 citations73
US9885455B2Feb 6, 2018
Vehicle lamp
KOITO MFG CO LTD2 citations72
US10661704B2May 26, 2020
Vehicle lamp and control method thereof
KOITO MFG CO LTD1 citations63
YASUDA YUJI
2 patentsTOSHIBA KK
1 patentINOUE TAKASHI
1 patentMITSUBA CORP
1 patentIWASE YUJI
1 patentShowing the top 50 of 86 patents by PatentIndex Score.