Inventor · disambiguated record
Eiji Okawachi
Also filed as: OKAWACHI EIJI
16 granted patents·5 pending applications·87 citations·filing 2007–2025
91Inventor score
Top patents by PatentIndex Score
21 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
- 0586US11374243B2Fuel cell system and fuel cell vehicleTOYOTA MOTOR CO LTD·Filed 2019·Granted Jun 28, 2022·2 cites·6 claims
- 0686US8522834B2Gas filling device, gas filling system, gas filling method and moving deviceOKAWACHI EIJI·Filed 2009·Granted Sep 3, 2013·12 cites·16 claims
- 0783US10081242B2Fuel cell vehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Sep 25, 2018·4 cites·14 claims
- 0881US10493843B2VehicleTOYOTA MOTOR CO LTD·Filed 2017·Granted Dec 3, 2019·3 cites·8 claims
- 0980US9249935B2Fuel supply systemOKAWACHI EIJI·Filed 2011·Granted Feb 2, 2016·3 cites·10 claims
- 1079US9822884B2Valve device and poppetJTEKT CORP·Filed 2016·Granted Nov 21, 2017·3 cites·8 claims
- 1178US2025257846A1Hydrogen filling method, hydrogen filling apparatus, program, and record mediumTOYOTA MOTOR CO LTD·Filed 2025·Application pending·0 cites
- 1277US9464731B2Pressure reducing valveJTEKT CORP·Filed 2013·Granted Oct 11, 2016·5 cites·2 claims
- 1375US12313224B2Hydrogen filling method, hydrogen filling apparatus, program, and record mediumTOYOTA MOTOR CO LTD·Filed 2022·Granted May 27, 2025·0 cites·11 claims
- 1471US9810327B2Pressure reducing valveJTEKT CORP·Filed 2015·Granted Nov 7, 2017·1 cites·3 claims
- 1560US10996691B2Pressure reducing valve deviceJTEKT CORP·Filed 2017·Granted May 4, 2021·1 cites·7 claims
- 1660US2023234453A1Hydrogen storage device, and vehicleTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 1754US2024175551A1Tank valve deviceTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 1853US9874289B2Valve main unit and method of manufacturing the sameJTEKT CORP·Filed 2014·Granted Jan 23, 2018·0 cites·5 claims
- 1952US2011247726A1Gas filling system, gas fuel vehicle and gas stationTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 2049US2010320217A1Backup ring and tank with the sameOKAWACHI EIJI·Filed 2007·Application pending·0 cites
- 2141US9897219B2Pressure reduction valve and gas supply deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 20, 2018·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →