Inventor · disambiguated record
Masaaki Yamaguchi
Also filed as: YAMAGUCHI MASAAKI
47 granted patents·4 pending applications·459 citations·filing 1989–2023
98Inventor score
Files withTOYOTA MOTOR CO LTD22HONDA MOTOR CO LTD14TS TECH CO LTD3KANZAKI KOKYUKOKI MFG CO LTD2TAKESHITA YOSHITO2
Top patents by PatentIndex Score
51 records- 0196US11434808B2Controller of fan coupling deviceTOYOTA MOTOR CO LTD·Filed 2021·Granted Sep 6, 2022·4 cites·8 claims
- 0292US11635085B2Controller of fan coupling deviceTOYOTA MOTOR CO LTD·Filed 2021·Granted Apr 25, 2023·2 cites·5 claims
- 0388US11566558B2Controller of fan coupling deviceTOYOTA MOTOR CO LTD·Filed 2021·Granted Jan 31, 2023·2 cites·13 claims
- 0487US6733299B2Vehicular power transmissionHONDA MOTOR CO LTD·Filed 2002·Granted May 11, 2004·21 cites·7 claims
- 0586US12269379B2Conveyance seatTS TECH CO LTD·Filed 2023·Granted Apr 8, 2025·3 cites·4 claims
- 0685US6922988B2Exhaust emission control apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 2, 2005·27 cites·16 claims
- 0784US6973785B2Apparatus and method for controlling EGR in an engineTOYOTA JIDOSHOKKI KK·Filed 2003·Granted Dec 13, 2005·30 cites·33 claims
- 0880US10927747B2Controller for cooling system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Feb 23, 2021·3 cites·6 claims
- 0980US6244385B1Lubrication pressure controllerHONDA MOTOR CO LTD·Filed 1999·Granted Jun 12, 2001·34 cites·8 claims
- 1079US7624993B2Dual-membered suctional gasketKOKOKU INTECH CO LTD·Filed 2005·Granted Dec 1, 2009·9 cites·2 claims
- 1179US6533081B2Brake fluid pressure retaining apparatusHONDA MOTOR CO LTD·Filed 2001·Granted Mar 18, 2003·18 cites·3 claims
- 1279US4988300ARiding simulatorMEITEC CORP·Filed 1989·Granted Jan 29, 1991·85 cites·6 claims
- 1376US11035324B2VehicleTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 15, 2021·1 cites·12 claims
- 1473US10619554B2Engine cooling apparatusTOYOTA MOTOR CO LTD·Filed 2018·Granted Apr 14, 2020·1 cites·5 claims
- 1573US6823250B2Vehicular power-transmission control systemHONDA MOTOR CO LTD·Filed 2002·Granted Nov 23, 2004·26 cites·6 claims
- 1672US10508588B2Cooling device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Dec 17, 2019·1 cites·5 claims
- 1772US6095942ASpeed change control device for vehicular continuously variable transmissionHONDA MOTOR CO LTD·Filed 1999·Granted Aug 1, 2000·51 cites·7 claims
- 1870US10077826B2Manufacturing method for fluid coupling and fluid couplingAISIN AW CO·Filed 2014·Granted Sep 18, 2018·2 cites·20 claims
- 1970US6709364B2Vehicular power-transmission control systemHONDA MOTOR CO LTD·Filed 2002·Granted Mar 23, 2004·20 cites·7 claims
- 2069US6776739B2Vehicular power-transmission control systemHONDA MOTOR CO LTD·Filed 2002·Granted Aug 17, 2004·19 cites·7 claims
- 2166US7165394B2Exhaust gas purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Jan 23, 2007·12 cites·7 claims
- 2264US8439762B2Torsional damperTAKESHITA YOSHITO·Filed 2010·Granted May 14, 2013·2 cites·6 claims
- 2363US7464542B2Exhaust gas purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 16, 2008·2 cites·3 claims
- 2462US8398492B2Damper having torque limiter functionTAKESHITA YOSHITO·Filed 2009·Granted Mar 19, 2013·3 cites·8 claims
- 2560US6958000B2Finishing wheel holding mechanism for gear finishing apparatusKANZAKI KOKYUKOKI MFG CO LTD·Filed 2004·Granted Oct 25, 2005·10 cites·7 claims
- 2655US11359586B2Hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 14, 2022·0 cites·2 claims
- 2755US10851757B2Ignition timing controller and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 1, 2020·0 cites·10 claims
- 2855US5766110AStarting clutch control systemHONDA MOTOR CO LTD·Filed 1996·Granted Jun 16, 1998·27 cites·9 claims
- 2952US10961898B2Cooling controller and control method for cooling deviceTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 30, 2021·0 cites·5 claims
- 3050US11143327B2Cooling apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·10 claims
- 3150US10927748B2Flow passage device and engine cooling systemAISIN SEIKI·Filed 2019·Granted Feb 23, 2021·0 cites·7 claims
- 3250US2023079694A1Determination device and determination methodJVCKENWOOD CORP·Filed 2022·Application pending·0 cites
- 3349US10808597B2Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Granted Oct 20, 2020·0 cites·7 claims
- 3449US7309197B2Internal gear shaving machineKANZAKI KOKYUKOKI MFG CO LTD·Filed 2006·Granted Dec 18, 2007·1 cites·29 claims
- 3549US6761659B2Method for controlling engagement of frictionally engaging element in power transmissionHONDA MOTOR CO LTD·Filed 2002·Granted Jul 13, 2004·7 cites·6 claims
- 3648US11199124B2Cooling apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Dec 14, 2021·0 cites·6 claims
- 3748US6973379B2Continuously variable transmission control apparatusHONDA MOTOR CO LTD·Filed 2004·Granted Dec 6, 2005·4 cites·26 claims
- 3847US11149705B2Engine controller and engine control methodTOYOTA MOTOR CO LTD·Filed 2020·Granted Oct 19, 2021·0 cites·6 claims
- 3947US7074148B2Hydraulic controller of power transmission deviceHONDA MOTOR CO LTD·Filed 2004·Granted Jul 11, 2006·4 cites·1 claims
- 4047US6702715B2Power transmissionHONDA MOTOR CO LTD·Filed 2002·Granted Mar 9, 2004·6 cites·11 claims
- 4147US2021123397A1Engine unitTOYOTA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 4245US11499510B2Engine system and method of controlling the engine systemTOYOTA MOTOR CO LTD·Filed 2020·Granted Nov 15, 2022·0 cites·7 claims
- 4345US11028763B2Engine cooling deviceTOYOTA MOTOR CO LTD·Filed 2020·Granted Jun 8, 2021·0 cites·8 claims
- 4444US6702716B2Power transmissionHONDA MOTOR CO LTD·Filed 2002·Granted Mar 9, 2004·5 cites·8 claims
- 4543US10174686B2Control device and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 8, 2019·0 cites·10 claims
- 4643US2019017451A1Ignition timing control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2018·Application pending·0 cites
- 4742US12319220B2Vehicle seatTS TECH CO LTD·Filed 2022·Granted Jun 3, 2025·0 cites·15 claims
- 4842US2025001921A1Vehicle seatTS TECH CO LTD·Filed 2022·Application pending·0 cites
- 4941US6527669B2Hydraulic control apparatus for a vehicular automatic transmissionHONDA MOTOR CO LTD·Filed 2001·Granted Mar 4, 2003·1 cites·4 claims
- 5037US10794478B2Starting device and manufacturing method of the sameAISIN AW IND CO LTD·Filed 2017·Granted Oct 6, 2020·0 cites·20 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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