Inventor · disambiguated record
Hideo Nagaosa
Also filed as: NAGAOSA HIDEO
26 granted patents·3 pending applications·401 citations·filing 1987–2021
96Inventor score
Top patents by PatentIndex Score
29 records- 0198US5497744AFuel injector with an integrated spark plug for a direct injection type engineTOYOTA MOTOR CO LTD·Filed 1994·Granted Mar 12, 1996·134 cites·10 claims
- 0296US10202049B2Air-cooled fuel-cell vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Feb 12, 2019·8 cites·12 claims
- 0395US9963171B2Electrically driven vehicleTOYOTA MOTOR CO LTD·Filed 2015·Granted May 8, 2018·14 cites·5 claims
- 0491US9105891B2Fuel cell system and control method for fuel cell systemNAGAOSA HIDEO·Filed 2011·Granted Aug 11, 2015·18 cites·6 claims
- 0584US10556494B2Air-cooled fuel cell vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Feb 11, 2020·5 cites·13 claims
- 0684US6415753B1Variable valve apparatus of internal combustion engine and method of varying the open-close characteristic of an engine valveTOYOTA MOTOR CO LTD·Filed 2000·Granted Jul 9, 2002·24 cites·9 claims
- 0784US6244229B1Valve lifter for three-dimensional cam and variable valve operating apparatus using the sameTOYOTA MOTOR CO LTD·Filed 1999·Granted Jun 12, 2001·38 cites·15 claims
- 0884US4823755AFuel injection system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1987·Granted Apr 25, 1989·27 cites·20 claims
- 0980US9902249B2Electric vehicleTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 27, 2018·4 cites·4 claims
- 1075US11973251B2Fuel cell and fuel cell separatorTOYOTA MOTOR CO LTD·Filed 2021·Granted Apr 30, 2024·0 cites·2 claims
- 1175US6561150B1Engine valve characteristic controllerTOYOTA MOTOR CO LTD·Filed 2000·Granted May 13, 2003·14 cites·20 claims
- 1273US6435149B2Variable performance valve train having three-dimensional camTOYOTA MOTOR CO LTD·Filed 2001·Granted Aug 20, 2002·15 cites·3 claims
- 1373US4840147ACombustion chamber of a two-stroke engineTOYOTA MOTOR CO LTD·Filed 1988·Granted Jun 20, 1989·24 cites·22 claims
- 1471US6318313B1Variable performance valve train having three-dimensional camTOYOTA MOTOR CO LTD·Filed 1999·Granted Nov 20, 2001·36 cites·9 claims
- 1563US2018069256A1Fuel cell and fuel cell separatorTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 1660US6360704B1Internal combustion engine variable valve characteristic control apparatus and three-dimensional camTOYOTA MOTOR CO LTD·Filed 2000·Granted Mar 26, 2002·6 cites·14 claims
- 1757US6704642B2Valve timing control apparatus and method of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted Mar 9, 2004·9 cites·44 claims
- 1855US11063287B2Fuel cell stack having fixing mechanismsTOYOTA MOTOR CO LTD·Filed 2019·Granted Jul 13, 2021·0 cites·10 claims
- 1953US2011236782A1Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 2052US11626610B2Fuel cell stackTOYOTA MOTOR CO LTD·Filed 2019·Granted Apr 11, 2023·0 cites·8 claims
- 2152US6386155B2Internal combustion engine variable valve characteristic control apparatus and three-dimensional camTOYOTA JIDOSHA KABUSHKIK KAISH·Filed 2001·Granted May 14, 2002·5 cites·10 claims
- 2249US11108073B2Manufacturing method of fuel cell stackTOYOTA MOTOR CO LTD·Filed 2019·Granted Aug 31, 2021·0 cites·6 claims
- 2347US6517601B1Three-dimensional cam and production method thereofTOYOTA MOTOR CO LTD·Filed 2000·Granted Feb 11, 2003·3 cites·16 claims
- 2441US5687690AMotor vehicle drive deviceTOYOTA MOTOR CO LTD·Filed 1995·Granted Nov 18, 1997·8 cites·10 claims
- 2537US2016207386A1Electric vehicle, holding mechanism, and method of manufacturing electric vehicleTOYOTA MOTOR CO LTD·Filed 2016·Application pending·0 cites
- 2634US5070834ADiesel engine with a precombustion chamberTOYOTA MOTOR CO LTD·Filed 1990·Granted Dec 10, 1991·5 cites·18 claims
- 2732US6164256AMechanism for transmitting the movement of camsTOYOTA MOTOR CO LTD·Filed 1999·Granted Dec 26, 2000·2 cites·14 claims
- 2830US6220209B1Rocking follower mechanism for three-dimensional camTOYOTA MOTOR CO LTD·Filed 1999·Granted Apr 24, 2001·1 cites·10 claims
- 2930US6105551ARevolution speed control apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Aug 22, 2000·1 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Hideo Nagaosa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →