Inventor · disambiguated record
Hiroki Homma
Also filed as: HOMMA HIROKI
28 granted patents·9 pending applications·55 citations·filing 1998–2024
93Inventor score
Top patents by PatentIndex Score
37 records- 0193US8034504B2Fuel cell system and method of operating sameHONDA MOTOR CO LTD·Filed 2007·Granted Oct 11, 2011·16 cites·13 claims
- 0276US8389172B2Fuel cell systemHOMMA HIROKI·Filed 2007·Granted Mar 5, 2013·3 cites·6 claims
- 0375US8197985B2Fuel cell system with load applying mechanismHOMMA HIROKI·Filed 2005·Granted Jun 12, 2012·3 cites·6 claims
- 0472US7871730B2Fuel cell and fuel cell stack having a filter mechanismHONDA MOTOR CO LTD·Filed 2006·Granted Jan 18, 2011·2 cites·26 claims
- 0571US8980495B2Fuel cell systemHOMMA HIROKI·Filed 2007·Granted Mar 17, 2015·2 cites·8 claims
- 0671US7517602B2Fuel cell and fuel cell stackHONDA MOTOR CO LTD·Filed 2004·Granted Apr 14, 2009·10 cites·17 claims
- 0770US2023287582A1Electrochemical reaction deviceHONDA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 0867US2025206263A1Information processing device, network system, and calibration methodTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 0966US8273492B2Load applying mechanism in a fuel cell systemHOMMA HIROKI·Filed 2005·Granted Sep 25, 2012·1 cites·8 claims
- 1064US2025209151A1Management device, management method, and non-transitory storage mediumTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1163US7442463B2Fuel cellHONDA MOTOR CO LTD·Filed 2004·Granted Oct 28, 2008·5 cites·11 claims
- 1260US11362358B2Fuel cell moduleHONDA MOTOR CO LTD·Filed 2020·Granted Jun 14, 2022·0 cites·7 claims
- 1360US2024428995A1Electronic componentMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1460US2025206262A1Vehicle, information management device, and information management methodTOYOTA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 1558US2003069783A1System and method for electronic votingNEC CORP·Filed 2002·Application pending·0 cites
- 1658US2023201806A1Catalyst composition, hydrocarbon partial oxidizer, and fuel cell systemMITSUI MINING & SMELTING CO LTD·Filed 2022·Application pending·0 cites
- 1757US11476473B2Fuel cell moduleHONDA MOTOR CO LTD·Filed 2020·Granted Oct 18, 2022·0 cites·10 claims
- 1857US7482087B2Fuel cellHONDA MOTOR CO LTD·Filed 2006·Granted Jan 27, 2009·0 cites·7 claims
- 1956US9023547B2Fuel cell comprising separator with protrusions in zigzag-patternHOMMA HIROKI·Filed 2009·Granted May 5, 2015·0 cites·9 claims
- 2055US8597842B2Fuel cell moduleYAMAMOTO JUN·Filed 2008·Granted Dec 3, 2013·0 cites·9 claims
- 2154US7491460B2Fuel cell and fuel cell stackHONDA MOTOR CO LTD·Filed 2004·Granted Feb 17, 2009·1 cites·18 claims
- 2250US9054350B2Fuel cell stackHOMMA HIROKI·Filed 2011·Granted Jun 9, 2015·0 cites·7 claims
- 2350US8557478B2Fuel cellHOMMA HIROKI·Filed 2007·Granted Oct 15, 2013·0 cites·24 claims
- 2449US7687172B2Fuel cell systemHONDA MOTOR CO LTD·Filed 2005·Granted Mar 30, 2010·0 cites·12 claims
- 2548US10826096B2Fuel cell systemHONDA MOTOR CO LTD·Filed 2017·Granted Nov 3, 2020·0 cites·3 claims
- 2648US10170776B2Fuel cell moduleHONDA MOTOR CO LTD·Filed 2016·Granted Jan 1, 2019·0 cites·9 claims
- 2748US7875401B2Fuel cell systemHONDA MOTOR LTD·Filed 2005·Granted Jan 25, 2011·0 cites·10 claims
- 2847US8168341B2Fuel cell and fuel cell stackHOMMA HIROKI·Filed 2006·Granted May 1, 2012·0 cites·10 claims
- 2947US7651809B2Channel member for providing fuel gas to separators forming a plurality of fuel gas fields on one surfaceHONDA MOTOR CO LTD·Filed 2004·Granted Jan 26, 2010·0 cites·13 claims
- 3047US7544432B2Fuel cell and fuel cell stackHONDA MOTOR CO LTD·Filed 2004·Granted Jun 9, 2009·0 cites·21 claims
- 3144US9614233B2Fuel cell moduleHONDA MOTOR CO LTD·Filed 2015·Granted Apr 4, 2017·0 cites·7 claims
- 3244US9123946B2Fuel cell stackHOMMA HIROKI·Filed 2011·Granted Sep 1, 2015·0 cites·13 claims
- 3344US2002026489A1Method of transferring message received and stored in the absence of the userNEC CORP·Filed 2001·Application pending·0 cites
- 3442US9166244B2Fuel cellISHIOKA ATSUSHI·Filed 2011·Granted Oct 20, 2015·0 cites·7 claims
- 3541US2002042760A1Service system for a customer to watch or listen to visual/aural data and method of doing the sameNEC CORP·Filed 2001·Application pending·0 cites
- 3638US10297854B2Fuel cell stackHONDA MOTOR CO LTD·Filed 2015·Granted May 21, 2019·0 cites·6 claims
- 3738US6052585AMobile communication networkNEC CORP·Filed 1998·Granted Apr 18, 2000·12 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Hiroki Homma 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 →