Inventor · disambiguated record
Yuji Yasuda
Also filed as: YASUDA YUJI
85 granted patents·18 pending applications·740 citations·filing 1978–2021
99Inventor score
Top patents by PatentIndex Score
103 records- 0193US5172799ACentrifugal hydraulic cancel mechanism for the rotating clutchTOYOTA MOTOR CO LTD·Filed 1992·Granted Dec 22, 1992·63 cites·18 claims
- 0292US4754950AValveTOSHIBA KK·Filed 1985·Granted Jul 5, 1988·65 cites·13 claims
- 0391US8118462B2Automotive lampINOUE TAKASHI·Filed 2009·Granted Feb 21, 2012·22 cites·10 claims
- 0490US8534888B2Optical unit for a vehicular lampYASUDA YUJI·Filed 2011·Granted Sep 17, 2013·12 cites·12 claims
- 0588US7566287B2Clutch device for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Jul 28, 2009·11 cites·9 claims
- 0687US7985013B2Vehicle lighting deviceKOITO MFG CO LTD·Filed 2008·Granted Jul 26, 2011·26 cites·5 claims
- 0787US7702261B2Development device and method capable of maintaining toner concentration at constant level without shortening life of developer, process cartridge, and imaging forming apparatusRICOH KK·Filed 2006·Granted Apr 20, 2010·9 cites·23 claims
- 0887US6802795B2Automatic transmission of motor vehicleTOYOTA MOTOR CO LTD·Filed 2003·Granted Oct 12, 2004·30 cites·10 claims
- 0987US4747033AIlluminating deviceRICOH KK·Filed 1985·Granted May 24, 1988·25 cites·7 claims
- 1085US10350983B2Power transmission systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Jul 16, 2019·8 cites·29 claims
- 1185US9713955B2Power transmitting apparatus for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted Jul 25, 2017·9 cites·4 claims
- 1285US9517717B2Automotive lampKOITO MFG CO LTD·Filed 2015·Granted Dec 13, 2016·5 cites·3 claims
- 1385US7255038B2Piston for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 14, 2007·8 cites·12 claims
- 1484US10288252B2Vehicle lamp unitKOITO MFG CO LTD·Filed 2017·Granted May 14, 2019·3 cites·15 claims
- 1584US10001206B2Power transmission system for vehicleTOYOTA MOTOR CO LTD·Filed 2016·Granted Jun 19, 2018·4 cites·4 claims
- 1684US7618174B2Vehicle lampKOITO MFG CO LTD·Filed 2008·Granted Nov 17, 2009·22 cites·4 claims
- 1783US7753575B2Vehicle lampKOITO MFG CO LTD·Filed 2008·Granted Jul 13, 2010·14 cites·4 claims
- 1880US8864140B2Sealing structure using a liquid gasketIWASE YUJI·Filed 2010·Granted Oct 21, 2014·5 cites·2 claims
- 1980US5309182ABicolor image forming apparatus for forming a bicolor image on a photoconductive elementRICOH KK·Filed 1992·Granted May 3, 1994·26 cites·14 claims
- 2079US8256944B2Vehicle lampYASUDA YUJI·Filed 2009·Granted Sep 4, 2012·17 cites·17 claims
- 2178US7255212B2Hydraulic control circuit for automatic transmission of vehicleTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 14, 2007·7 cites·2 claims
- 2277US4189763ADocument illumination apparatusRICOH KK·Filed 1978·Granted Feb 19, 1980·10 cites·2 claims
- 2376US9944164B2Power transmitting apparatus for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted Apr 17, 2018·5 cites·6 claims
- 2476US7284647B2Clutch device for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 23, 2007·7 cites·9 claims
- 2576US7261674B2Hydraulic control apparatus for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 28, 2007·7 cites·9 claims
- 2675US9885455B2Vehicle lampKOITO MFG CO LTD·Filed 2016·Granted Feb 6, 2018·2 cites·2 claims
- 2775US7175556B2Hydraulic control apparatus for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Feb 13, 2007·7 cites·5 claims
- 2874US9039262B2Optical unit for a vehicular lampKOITO MFG CO LTD·Filed 2013·Granted May 26, 2015·3 cites·8 claims
- 2974US5376994ACompact BI-color electrophotographic image forming apparatusRICOH KK·Filed 1993·Granted Dec 27, 1994·36 cites·7 claims
- 3073US10661704B2Vehicle lamp and control method thereofKOITO MFG CO LTD·Filed 2019·Granted May 26, 2020·1 cites·9 claims
- 3173US9630487B2Hybrid systemTOYOTA MOTOR CO LTD·Filed 2014·Granted Apr 25, 2017·3 cites·7 claims
- 3273US4906081ATransmissive filter for correcting illuminance distributionRICOH KK·Filed 1988·Granted Mar 6, 1990·26 cites·8 claims
- 3372US7029413B2Neutral control for vehicular automatic transmissionTOYOTA MOTOR CO LTD·Filed 2004·Granted Apr 18, 2006·13 cites·10 claims
- 3472US6945729B2Structure for fastening by screwRICOH KK·Filed 2003·Granted Sep 20, 2005·18 cites·8 claims
- 3571US10166955B2Manual release device for parking lock mechanismTOYOTA MOTOR CO LTD·Filed 2017·Granted Jan 1, 2019·1 cites·3 claims
- 3670US10193414B2Power transmission apparatus for vehicleTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 29, 2019·1 cites·3 claims
- 3769US7524258B2Vehicular automatic transmissionTOYOTA MOTOR CO LTD·Filed 2006·Granted Apr 28, 2009·5 cites·8 claims
- 3869US7296507B2Piston for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2006·Granted Nov 20, 2007·3 cites·8 claims
- 3969US7278944B2Hydraulic control apparatus for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 9, 2007·5 cites·4 claims
- 4069US6849022B2Automatic transmissionTOYOTA MOTOR CO LTD·Filed 2002·Granted Feb 1, 2005·12 cites·7 claims
- 4168US7827882B2Differential gear unitTOYOTA MOTOR CO LTD·Filed 2005·Granted Nov 9, 2010·5 cites·10 claims
- 4268US4891739AIlluminating deviceRICOH KK·Filed 1989·Granted Jan 2, 1990·25 cites·7 claims
- 4367US8950917B2Vehicular lampYASUDA YUJI·Filed 2012·Granted Feb 10, 2015·2 cites·11 claims
- 4467US7513351B2Piston for automatic transmissionTOYOTA MOTOR CO LTD·Filed 2005·Granted Apr 7, 2009·4 cites·7 claims
- 4567US7010911B2Fluid pressure control circuitTOYOTA MOTOR CO LTD·Filed 2004·Granted Mar 14, 2006·11 cites·20 claims
- 4667US6968934B2Lubricating structure of friction engaging deviceTOYOTA MOTOR CO LTD·Filed 2004·Granted Nov 29, 2005·8 cites·20 claims
- 4766US10222033B2Vehicle lamp having a hooking structureKOITO MFG CO LTD·Filed 2016·Granted Mar 5, 2019·1 cites·9 claims
- 4866US9604530B2Drive system for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2014·Granted Mar 28, 2017·3 cites·2 claims
- 4966US7481734B2Hydraulic control apparatus and hydraulic control method of vehicular automatic transmissionTOYOTA MOTOR CO LTD·Filed 2006·Granted Jan 27, 2009·4 cites·18 claims
- 5065US7104381B2Dual connecting and disconnecting apparatusTOYOTA MOTOR CO LTD·Filed 2003·Granted Sep 12, 2006·8 cites·7 claims
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →