Inventor · disambiguated record
Nobuhisa Ohkawa
Also filed as: OHKAWA NOBUHISA
16 granted patents·611 citations·filing 1982–1996
95Inventor score
Files withTOYOTA MOTOR CO LTD16
Top patents by PatentIndex Score
16 records- 0195US5590632AApparatus for computing the amount of intake air in internal combustion engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Jan 7, 1997·117 cites·24 claims
- 0295US4571683ALearning control system of air-fuel ratio in electronic control engineTOYOTA MOTOR CO LTD·Filed 1982·Granted Feb 18, 1986·67 cites·7 claims
- 0389US5529034AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1994·Granted Jun 25, 1996·50 cites·16 claims
- 0489US5494008AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1994·Granted Feb 27, 1996·57 cites·14 claims
- 0588US5626108AAbnormality detecting apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 6, 1997·44 cites·22 claims
- 0687US5626109AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 6, 1997·48 cites·22 claims
- 0784US5537961AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Jul 23, 1996·46 cites·16 claims
- 0880US5715779AAbnormality detecting apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 10, 1998·36 cites·4 claims
- 0979US5628286AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 13, 1997·36 cites·18 claims
- 1076US5623896AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 29, 1997·23 cites·7 claims
- 1174US5664529AValve timing control apparatus with an initializing meansTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 9, 1997·21 cites·8 claims
- 1265US5678515AValve timing control apparatus with a disallowing meansTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 21, 1997·15 cites·8 claims
- 1362US4513710AEngine idling rotational speed control deviceTOYOTA MOTOR CO LTD·Filed 1982·Granted Apr 30, 1985·17 cites·6 claims
- 1462US4484552AEngine idling rotational speed control deviceTOYOTA MOTOR CO LTD·Filed 1982·Granted Nov 27, 1984·13 cites·8 claims
- 1554US5664528AValve timing control apparatus with a restricting meansTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 9, 1997·12 cites·8 claims
- 1651US4462375AMethod and apparatus for controlling fuel supply of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1983·Granted Jul 31, 1984·9 cites·10 claims
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