Inventor · disambiguated record
Kizuku Ohtsubo
Also filed as: OHTSUBO KIZUKU
7 granted patents·200 citations·filing 1993–1999
87Inventor score
Files withFUJI VALVE7
Top patents by PatentIndex Score
7 records- 0192US5983847AElectric valve drive device in an internal combustion engineFUJI VALVE·Filed 1999·Granted Nov 16, 1999·65 cites·33 claims
- 0292US5427141APressure fluid control valve deviceFUJI VALVE·Filed 1994·Granted Jun 27, 1995·73 cites·2 claims
- 0370US5769037AHollow valve in an internal combustion engineFUJI VALVE·Filed 1997·Granted Jun 23, 1998·30 cites·7 claims
- 0462US5988123AMethod of controlling an electric valve drive device and a control system thereforFUJI VALVE·Filed 1998·Granted Nov 23, 1999·18 cites·9 claims
- 0541US5899185AMethod of increasing heat transfer of a fitted material of a cylinder head in an internal combustion engine and a fitted portion of the fitted materialFUJI VALVE·Filed 1997·Granted May 4, 1999·8 cites·19 claims
- 0634US5662076ATappet in an internal combustion engineFUJI VALVE·Filed 1996·Granted Sep 2, 1997·4 cites·3 claims
- 0728US5289623AShim attaching/detaching tool for engine tappetFUJI VALVE·Filed 1993·Granted Mar 1, 1994·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →