Inventor · disambiguated record
Tadahisa Naganawa
Also filed as: NAGANAWA TADAHISA · TORII MASANORI
15 granted patents·391 citations·filing 1977–1996
94Inventor score
Files withTOYOTA MOTOR CO LTD15
Top patents by PatentIndex Score
15 records- 0189US5529034AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1994·Granted Jun 25, 1996·50 cites·16 claims
- 0289US5494008AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1994·Granted Feb 27, 1996·57 cites·14 claims
- 0388US5626108AAbnormality detecting apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 6, 1997·44 cites·22 claims
- 0484US5537961AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1995·Granted Jul 23, 1996·46 cites·16 claims
- 0580US5715779AAbnormality detecting apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 10, 1998·36 cites·4 claims
- 0679US5628286AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1996·Granted May 13, 1997·36 cites·18 claims
- 0776US5623896AValve timing control apparatus for engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Apr 29, 1997·23 cites·7 claims
- 0874US5664529AValve timing control apparatus with an initializing meansTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 9, 1997·21 cites·8 claims
- 0971US4525151ATiming adjustment mechanism in wrapping connector driving deviceTOYOTA MOTOR CO LTD·Filed 1982·Granted Jun 25, 1985·22 cites·11 claims
- 1065US5678515AValve timing control apparatus with a disallowing meansTOYOTA MOTOR CO LTD·Filed 1996·Granted Oct 21, 1997·15 cites·8 claims
- 1154US5664528AValve timing control apparatus with a restricting meansTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 9, 1997·12 cites·8 claims
- 1250US4736728AExhaust gas recirculating systemTOYOTA MOTOR CO LTD·Filed 1986·Granted Apr 12, 1988·13 cites·6 claims
- 1350US4559915AMethod of controlling air-fuel ratio and ignition timing in internal combustion engine and apparatus thereforTOYOTA MOTOR CO LTD·Filed 1984·Granted Dec 24, 1985·9 cites·1 claims
- 1435US4658785AMethod of controlling air-fuel ratio and ignition timing in internal combustion engine and apparatus thereforTOYOTA MOTOR CO LTD·Filed 1985·Granted Apr 21, 1987·6 cites·6 claims
- 1532US4166085ACarburetorTOYOTA MOTOR CO LTD·Filed 1977·Granted Aug 28, 1979·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →