Inventor · disambiguated record
Takao Naruoka
Also filed as: NARUOKA TAKAO
6 granted patents·198 citations·filing 1986–1997
85Inventor score
Files withTOYOTA MOTOR CO LTD6
Top patents by PatentIndex Score
6 records- 0196US4834031AVariable compression-ratio control device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1988·Granted May 30, 1989·87 cites·10 claims
- 0288US4687348ADevice for locking/unlocking rotation of an eccentric bearing used in a compression ratio changing mechanism of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1986·Granted Aug 18, 1987·43 cites·22 claims
- 0370US4721073ACompression ratio changing device using an eccentric bearing for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1986·Granted Jan 26, 1988·27 cites·17 claims
- 0469US4830517ADevice for locking rotation of an eccentric bearing of a compression ratio changing deviceTOYOTA MOTOR CO LTD·Filed 1988·Granted May 16, 1989·26 cites·18 claims
- 0552US5832889AValve driving apparatusTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 10, 1998·12 cites·10 claims
- 0630US5803033AValve drive apparatus for an internal combustion engine having a convex shim between a cam and a valveTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 8, 1998·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →