Inventor · disambiguated record
Kiyohiko Oishi
Also filed as: OISHI KIYOHIKO
17 granted patents·571 citations·filing 1976–1992
95Inventor score
Top patents by PatentIndex Score
17 records- 0197US4404795AMethod of and apparatus for reducing emitted amount of particulates contained in exhaust gas of diesel engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Sep 20, 1983·143 cites·13 claims
- 0296US4667636AFuel injection type internal combustion engineTOYOTA MOTOR CO LTD·Filed 1986·Granted May 26, 1987·59 cites·24 claims
- 0392US4485622AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Dec 4, 1984·74 cites·9 claims
- 0485US4549398AExhaust gas cleaning device for diesel enginesTOYOTA MOTOR CO LTD·Filed 1982·Granted Oct 29, 1985·55 cites·3 claims
- 0576US5155994AExhaust gas purification system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1992·Granted Oct 20, 1992·43 cites·15 claims
- 0673US4386497AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Jun 7, 1983·37 cites·12 claims
- 0765US4264537AVariable venturi type carburetorTOYOTA MOTOR CO LTD·Filed 1979·Granted Apr 28, 1981·11 cites·6 claims
- 0864US5141906ACatalyst for purifying exhaust gasTOYOTA MOTOR CO LTD·Filed 1991·Granted Aug 25, 1992·29 cites·6 claims
- 0964US4242997AExhaust gas recirculation system for internal combustion enginesNIPPON SOKEN·Filed 1979·Granted Jan 6, 1981·11 cites·5 claims
- 1062US4538412AExhaust gas cleaning device for diesel enginesTOYOTA MOTOR CO LTD·Filed 1983·Granted Sep 3, 1985·28 cites·5 claims
- 1155US4574748AAir intake device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1984·Granted Mar 11, 1986·13 cites·30 claims
- 1255US4404798AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Sep 20, 1983·21 cites·13 claims
- 1354US4272460AVariable venturi type carburetorTOYOTA MOTOR CO LTD·Filed 1980·Granted Jun 9, 1981·8 cites·5 claims
- 1453US5294421AMethod for catalytically purifying exhaust gasTOYOTA MOTOR CO LTD·Filed 1991·Granted Mar 15, 1994·17 cites·4 claims
- 1552US4608948AAir intake device of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1984·Granted Sep 2, 1986·12 cites·16 claims
- 1645US4063536AApparatus for feeding water into the air/fuel mixture passage of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1976·Granted Dec 20, 1977·5 cites·29 claims
- 1739US4110979AApparatus for introducing secondary air into an exhaust system of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1976·Granted Sep 5, 1978·5 cites·8 claims
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