Inventor · disambiguated record
Takahide Izutani
Also filed as: IZUTANI TAKAHIDE
16 granted patents·2 pending applications·451 citations·filing 1987–2013
94Inventor score
Files withTOYOTA MOTOR CO LTD13IZUTANI TAKAHIDE2SUEMATSU KEIGO1TANAKA HIROMI1TOYOTA JIDOSHA KABUSHKI KAISHA1
Top patents by PatentIndex Score
18 records- 0196US5088281AMethod and apparatus for determining deterioration of three-way catalysts in double air-fuel ratio sensor systemTOYOTA MOTOR CO LTD·Filed 1989·Granted Feb 18, 1992·111 cites·54 claims
- 0290US8746274B2Hydrogen supply apparatus and fuel gas supply apparatusTOYOTA MOTOR CO LTD·Filed 2013·Granted Jun 10, 2014·10 cites·3 claims
- 0388US6032753ACatalyst temperature control apparatus for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 1997·Granted Mar 7, 2000·98 cites·9 claims
- 0481US5899828AEngine pumping loss control apparatus for locking intake or exhaust valves full open during regenerative braking hybrid vehicleTOYOTA MOTOR CO LTD·Filed 1997·Granted May 4, 1999·78 cites·17 claims
- 0577US8277999B2Fuel cell system and method to prevent freezing after shut-downIZUTANI TAKAHIDE·Filed 2007·Granted Oct 2, 2012·4 cites·9 claims
- 0676US7794888B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2007·Granted Sep 14, 2010·3 cites·3 claims
- 0772US7851097B2Fuel cell systemTOYOTA MOTOR CO LTD·Filed 2007·Granted Dec 14, 2010·2 cites·4 claims
- 0872US6059057ACatalyst temperature control apparatus for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 1999·Granted May 9, 2000·47 cites·3 claims
- 0964US5577484AMethod and apparatus for detecting trouble in exhaust-gas recirculation systemTOYOTA MOTOR CO LTD·Filed 1995·Granted Nov 26, 1996·23 cites·8 claims
- 1063US9531023B2Exhaust state control device for fuel cell for mobile unitTANAKA HIROMI·Filed 2013·Granted Dec 27, 2016·2 cites·3 claims
- 1163US6343499B1Air-fuel ratio detecting apparatus and methodTOYOTA MOTOR CO LTD·Filed 1999·Granted Feb 5, 2002·27 cites·16 claims
- 1259US4732128AMethod and apparatus for controlling heater for heatng air-fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 22, 1988·12 cites·10 claims
- 1358US5664548AApparatus for detecting trouble in exhaust-gas recirculation systemTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 9, 1997·18 cites·14 claims
- 1455US8232019B2Fuel cell systemSUEMATSU KEIGO·Filed 2010·Granted Jul 31, 2012·0 cites·1 claims
- 1555US6082338AEvaporation fuel treating device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Jul 4, 2000·16 cites·15 claims
- 1654US8252473B2Fuel cell-equipped vehicle and control method for fuel cell-equipped vehicleIZUTANI TAKAHIDE·Filed 2008·Granted Aug 28, 2012·0 cites·19 claims
- 1750US2009110990A1Hydrogn supply apparatus and fuel gas supply apparatusTOYOTA JIDOSHA KABUSHKI KAISHA·Filed 2006·Application pending·0 cites
- 1846US2010190069A1Exhaust state control device for fuel cell for mobile unitTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →