Inventor · disambiguated record
Hiromasa Kubo
Also filed as: KUBO HIROMASA
20 granted patents·2 pending applications·400 citations·filing 1983–2008
96Inventor score
Top patents by PatentIndex Score
22 records- 0197US5992391AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1998·Granted Nov 30, 1999·78 cites·22 claims
- 0293US6550458B2Electromagnetic fuel injection apparatus, an internal combustion engine having an electromagnetic fuel injection apparatus, and a drive circuit of an electromagnetic fuel injection apparatusHITACHI LTD·Filed 2001·Granted Apr 22, 2003·47 cites·8 claims
- 0392US6571773B1Fuel injector and internal combustion engineHITACHI LTD·Filed 2000·Granted Jun 3, 2003·50 cites·15 claims
- 0485US6929196B2Fuel injection valve and internal combustion engine mounting the sameHITACHI CAR ENG CO LTD·Filed 2003·Granted Aug 16, 2005·24 cites·9 claims
- 0583US6453872B1Fuel injection valve and internal combustion engine mounting the sameHITACHI LTD·Filed 2000·Granted Sep 24, 2002·20 cites·65 claims
- 0682US7021569B1Fuel injection valveHITACHI CAR ENG CO LTD·Filed 2000·Granted Apr 4, 2006·24 cites·19 claims
- 0779US6675766B2Fuel injection valve and internal combustion engine mounting the sameHITACHI LTD·Filed 2002·Granted Jan 13, 2004·13 cites·7 claims
- 0875US6129073AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1999·Granted Oct 10, 2000·21 cites·9 claims
- 0972US6648298B2Electromagnetic fuel injection valveHITACHI CAR ENG CO LTD·Filed 2001·Granted Nov 18, 2003·14 cites·27 claims
- 1072US6634338B1Fuel injection apparatus, fuel injection method and internal combustion engineHITACHI LTD·Filed 2000·Granted Oct 21, 2003·18 cites·12 claims
- 1169US6668793B2Internal combustion engineHITACHI LTD·Filed 2001·Granted Dec 30, 2003·12 cites·5 claims
- 1269US6431155B1Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2000·Granted Aug 13, 2002·11 cites·12 claims
- 1362US4771632ASelf-cleaning arrangement for automotive hot wire type air flow meterNISSAN MOTOR·Filed 1987·Granted Sep 20, 1988·13 cites·7 claims
- 1461US6332453B1Electromagnetic system fuel injection apparatus an internal combustion engine having an electromagnetic system fuel injection apparatus, and a drive circuit of an electromagnetic system fuel injection apparatusHITACHI LTD·Filed 1999·Granted Dec 25, 2001·16 cites·12 claims
- 1555US4951209AInduction volume sensing arrangement for internal combustion engine or the likeNISSAN MOTOR·Filed 1987·Granted Aug 21, 1990·16 cites·20 claims
- 1652US7264181B2Fuel injection valve with restriction wall, and internal combustion engine equipped therewithHITACHI LTD·Filed 2004·Granted Sep 4, 2007·4 cites·12 claims
- 1751US6840465B2Manufacturing method of a fuel injection valve; and a fuel injection valve and an internal combustion engine equipped therewithHITACHI LTD·Filed 2001·Granted Jan 11, 2005·4 cites·13 claims
- 1850US4519237AOxygen-sensing systemNISSAN MOTOR·Filed 1983·Granted May 28, 1985·12 cites·6 claims
- 1946US6615805B2Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2002·Granted Sep 9, 2003·3 cites·14 claims
- 2044US7231902B2Fuel injection valve and internal combustion engine mounting the sameHITACHI LTD·Filed 2005·Granted Jun 19, 2007·0 cites·12 claims
- 2142US2008216779A1Apparatus for and Method of Controlling a Starting Operation to Restart an EngineHITACHI LTD·Filed 2008·Application pending·0 cites
- 2238US2004089751A1Fuel injection valve and internal combustion engine mounting the sameFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Hiromasa Kubo 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 →