Inventor · disambiguated record
Hideo Nakai
Also filed as: NAKAI HIDEO
37 granted patents·7 pending applications·527 citations·filing 1996–2022
97Inventor score
Files withTOYOTA MOTOR CO LTD10YAMADA EIJI8MITSUBISHI MOTORS CORP6TOYOTA CHUO KENKYUSHO KK4MITSUBISHI MOTOR ENG3
Top patents by PatentIndex Score
44 records- 0196US6637386B2Variable valve timing apparatusMITSUBISHI MOTORS CORP·Filed 2001·Granted Oct 28, 2003·101 cites·25 claims
- 0294US6630804B2Driving apparatus, power output apparatus, and control methodTOYODA CHUO KENKYUSHO KK·Filed 2001·Granted Oct 7, 2003·73 cites·18 claims
- 0392US7451597B2Intake system of internal combustion engineMITSUBISHI MOTORS CORP·Filed 2005·Granted Nov 18, 2008·38 cites·6 claims
- 0487US5987368ASprung- and unsprung-structure relative-velocity computing apparatus for vehicleTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 16, 1999·70 cites·10 claims
- 0584US9124159B2Electromagnetic rotary electric machineYAMADA EIJI·Filed 2012·Granted Sep 1, 2015·7 cites·13 claims
- 0683US8294322B2Rotating electrical machineAIKI KOSUKE·Filed 2009·Granted Oct 23, 2012·15 cites·6 claims
- 0781US9083276B2Rotary electric machine driving systemYAMADA EIJI·Filed 2012·Granted Jul 14, 2015·5 cites·9 claims
- 0879US9667113B2Rotor for rotating electrical deviceKUBO KAORU·Filed 2013·Granted May 30, 2017·6 cites·8 claims
- 0979US8742710B2Rotary electric machine systemYAMADA EIJI·Filed 2012·Granted Jun 3, 2014·4 cites·14 claims
- 1078US10873226B2Rotary electric machineTOYOTA MOTOR CO LTD·Filed 2018·Granted Dec 22, 2020·2 cites·5 claims
- 1178US8847455B2Rotary electric machine and driving controller for rotary electric machineHIRAMOTO KENJI·Filed 2008·Granted Sep 30, 2014·10 cites·15 claims
- 1276US7199548B2Drive control apparatus and method of alternating current motorTOYOTA CHUO KENKYUSHO KK·Filed 2005·Granted Apr 3, 2007·11 cites·13 claims
- 1375US7541711B2Electric motor, stator of electric motor, and manufacturing method for the statorTOYOTA JIDOSHOKKI KK·Filed 2007·Granted Jun 2, 2009·7 cites·4 claims
- 1475US7208903B2Control device for alternating-current motorTOYOTA MOTOR CO LTD·Filed 2006·Granted Apr 24, 2007·8 cites·6 claims
- 1574US7739987B2Variable valve gear for an internal combustion engineMITSUBISHI MOTORS CORP·Filed 2008·Granted Jun 22, 2010·7 cites·3 claims
- 1674US7063068B2Variable valve timing controller for an engineMITSUBISHI MOTOR ENG·Filed 2004·Granted Jun 20, 2006·14 cites·8 claims
- 1771US7063056B2Valve timing control apparatus for engineMITSUBISHI MOTOR ENG·Filed 2004·Granted Jun 20, 2006·13 cites·11 claims
- 1868US10208649B2Estimator and estimator systemTOYOTA MOTOR CO LTD·Filed 2017·Granted Feb 19, 2019·1 cites·4 claims
- 1968US9088234B2Motor-driving systemTOYOTA CHUO KENKYUSHO KK·Filed 2013·Granted Jul 21, 2015·2 cites·15 claims
- 2067US6956341B2Motor driving control deviceTOYOTA MOTOR CO LTD·Filed 2003·Granted Oct 18, 2005·15 cites·10 claims
- 2165US12301080B2Motor systemDENSO CORP·Filed 2022·Granted May 13, 2025·0 cites·14 claims
- 2263US5931128AVariable valve mechanism and internal combustion engine with the sameMITSUBISHI MOTORS CORP·Filed 1998·Granted Aug 3, 1999·19 cites·10 claims
- 2359US8330409B2Drive unit for rotating electrical machineHIRAMOTO KENJI·Filed 2010·Granted Dec 11, 2012·1 cites·4 claims
- 2459US8169199B2Power supply with overvoltage protection by zero current stagnation detectionOKAMURA MASAKI·Filed 2007·Granted May 1, 2012·6 cites·15 claims
- 2557US5653427ALiquid filled type vibration isolating deviceTOYODA CHUO KENKYUSHO KK·Filed 1996·Granted Aug 5, 1997·19 cites·15 claims
- 2656US7129685B2DC/DC converter control systemTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 31, 2006·4 cites·16 claims
- 2754US11955919B2Electric motor systemDENSO CORP·Filed 2021·Granted Apr 9, 2024·0 cites·3 claims
- 2854US6966299B2Start control device and start control method for internal combustion engineMITSUBISHI MOTOR ENG·Filed 2004·Granted Nov 22, 2005·12 cites·12 claims
- 2953US6055471ASprung mass estimating apparatusTOYOTA MOTOR CO LTD·Filed 1999·Granted Apr 25, 2000·22 cites·18 claims
- 3052US7078874B2Control device for alternating-current motorTOYOTA MOTOR CO LTD·Filed 2005·Granted Jul 18, 2006·2 cites·6 claims
- 3150US5987367AVehicle sprung- and unsprung-structure relative-velocity computing apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 16, 1999·20 cites·6 claims
- 3249US6841968B2Motor driver circuit and method of controlling the motor driver circuitTOYOTA MOTOR CO LTD·Filed 2002·Granted Jan 11, 2005·6 cites·9 claims
- 3348US9789785B2Driving power distribution deviceTOYOTA CHUO KENKYUSHO KK·Filed 2016·Granted Oct 17, 2017·0 cites·14 claims
- 3447US9577480B2Rotor for rotary electric machineYAMADA EIJI·Filed 2012·Granted Feb 21, 2017·0 cites·12 claims
- 3546US6901908B2Idle speed control apparatus and method for internal combustion engineMITSUBISHI MOTORS CORP·Filed 2003·Granted Jun 7, 2005·7 cites·18 claims
- 3646US2015194855A1Rotor of rotary electric machineKUBA KAORU·Filed 2013·Application pending·0 cites
- 3744US2014028160A1Rotary electric machine and controller for such an electric machineYAMADA EIJI·Filed 2012·Application pending·0 cites
- 3844US2013334937A1Rotary electric machine driving systemYAMADA EIJI·Filed 2012·Application pending·0 cites
- 3944US2016042833A1Element wire assembly and method for manufacturing the sameKAWANISHI YOSHITOMO·Filed 2014·Application pending·0 cites
- 4042US8680801B2Rotating electrical machine systemYAMADA EIJI·Filed 2012·Granted Mar 25, 2014·0 cites·1 claims
- 4141US7836861B2Variable valve mechanism for internal combustion engineMITSUBISHI MOTORS CORP·Filed 2008·Granted Nov 23, 2010·0 cites·5 claims
- 4237US2012256510A1Rotary electric machineYAMADA EIJI·Filed 2012·Application pending·0 cites
- 4337US2011190970A1Power generation device equipped on vehicleTOYOTA CHUO KENKYUSHO KK·Filed 2011·Application pending·0 cites
- 4431US2009241873A1Variable valve-operating system for internal combustion engineMURAOKA TOMOYUKI·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →