Inventor · disambiguated record
Tsukuo Ishitoya
Also filed as: ISHITOYA TSUKUO
16 granted patents·7 pending applications·88 citations·filing 2002–2018
92Inventor score
Top patents by PatentIndex Score
23 records- 0190US8770012B2Fuel leakage detection system and detection methodYAHASHI HIROKI·Filed 2010·Granted Jul 8, 2014·14 cites·10 claims
- 0289US8550105B2Valve system of high pressure tank for vehicleISHITOYA TSUKUO·Filed 2010·Granted Oct 8, 2013·20 cites·6 claims
- 0388US9109750B2Gas filling method, gas filling system, gas station and mobile unitOKAWACHI EIJI·Filed 2011·Granted Aug 18, 2015·10 cites·25 claims
- 0488US8435700B2Fuel cell system with fuel tank liner, method for supplying fuel gas, and mobile bodyOKAWACHI EIJI·Filed 2010·Granted May 7, 2013·9 cites·13 claims
- 0580US8770221B2Pressure regulating valveISHITOYA TSUKUO·Filed 2012·Granted Jul 8, 2014·4 cites·14 claims
- 0679US8186377B2Fluid on-off valve deviceISHITOYA TSUKUO·Filed 2006·Granted May 29, 2012·10 cites·10 claims
- 0778US9604535B2VehicleYAHASHI HIROKI·Filed 2011·Granted Mar 28, 2017·5 cites·13 claims
- 0869US9217539B2High-pressure tankISHITOYA TSUKUO·Filed 2006·Granted Dec 22, 2015·4 cites·16 claims
- 0964US7968242B2Onboard fuel cell system and method of discharging hydrogen-off gasTOYOTA MOTOR CO LTD·Filed 2002·Granted Jun 28, 2011·6 cites·41 claims
- 1063US8678023B2Damage detection system and vehicleYAHASHI HIROKI·Filed 2010·Granted Mar 25, 2014·2 cites·4 claims
- 1161US8985141B2Pressure regulating valveISHITOYA TSUKUO·Filed 2011·Granted Mar 24, 2015·1 cites·12 claims
- 1257US8642225B2High-pressure fluid supply apparatusISHITOYA TSUKUO·Filed 2009·Granted Feb 4, 2014·0 cites·7 claims
- 1356US2008070090A1Onboard fuel cell system and method of discharging hydrogen-off gasTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 1452US9400506B2Pressure reducerSHIMA TOSHIHIKO·Filed 2005·Granted Jul 26, 2016·3 cites·19 claims
- 1552US2010151360A1Onboard fuel cell system and method of discharging hydrogen-off gasTOYOTA MOTOR CO LTD·Filed 2010·Application pending·0 cites
- 1649US2010320217A1Backup ring and tank with the sameOKAWACHI EIJI·Filed 2007·Application pending·0 cites
- 1748US2009014089A1Valve, Valve Controller, and Fuel Cell SystemTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 1845US2007289638A1Pressure Regulating ValveISHITOYA TSUKUO·Filed 2005·Application pending·0 cites
- 1944US11121388B2Moving body having fuel cellTOYOTA MOTOR CO LTD·Filed 2018·Granted Sep 14, 2021·0 cites·3 claims
- 2044US2013008730A1Fuel-cell-powered vehicleTOYOTA MOTOR CO LTD·Filed 2011·Application pending·0 cites
- 2143US10107454B2Gas supply system and correction methodYAHASHI HIROKI·Filed 2011·Granted Oct 23, 2018·0 cites·5 claims
- 2242US2009032318A1Fuel cell vehicleISHITOYA TSUKUO·Filed 2006·Application pending·0 cites
- 2339US8931754B2Safety valve and electromagnetic valveIMOTO YOSHINORI·Filed 2011·Granted Jan 13, 2015·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →