Inventor · disambiguated record
Shunzo Yamaguchi
Also filed as: KATAHIRA ETUROU · KAWAI HISASI · MORI KOUICHI · YAMAGUCHI SHUNZO
26 granted patents·902 citations·filing 1974–1986
97Inventor score
Top patents by PatentIndex Score
26 records- 0197US4448833APorous ceramic body and a method of manufacturing the sameNIPPON DENSO CO·Filed 1982·Granted May 15, 1984·113 cites·9 claims
- 0296US4505107AExhaust gas cleaning apparatusNIPPON DENSO CO·Filed 1982·Granted Mar 19, 1985·136 cites·14 claims
- 0396US4475029ACeramic heaterNIPPON DENSO CO·Filed 1983·Granted Oct 2, 1984·102 cites·2 claims
- 0496US4449039ACeramic heaterNIPPON DENSO CO·Filed 1982·Granted May 15, 1984·87 cites·7 claims
- 0595US4639712ASheathed heaterNIPPON DENSO CO·Filed 1985·Granted Jan 27, 1987·101 cites·3 claims
- 0688US4202312AIgnition device for rotary piston engineTOYOTA MOTOR CO LTD·Filed 1978·Granted May 13, 1980·55 cites·8 claims
- 0787US4549905ACeramic heaterNIPPON DENSO CO·Filed 1983·Granted Oct 29, 1985·39 cites·6 claims
- 0884US4613455ACeramic heater and a method for its productionNIPPON DENSO CO·Filed 1985·Granted Sep 23, 1986·36 cites·5 claims
- 0982US4713582ASpark plugNIPPON DENSO CO·Filed 1986·Granted Dec 15, 1987·45 cites·7 claims
- 1074US4175386AExhaust gas purification apparatus for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Nov 27, 1979·24 cites·7 claims
- 1173US4426568AGlow plug for diesel enginesNIPPON DENSO CO·Filed 1982·Granted Jan 17, 1984·24 cites·3 claims
- 1272US4162669AIgnition system for rotary piston enginesTOYOTA MOTOR CO LTD·Filed 1978·Granted Jul 31, 1979·19 cites·5 claims
- 1364US4030464AFuel-air mixture heating device for use with internal combustion engineNIPPON SOKEN·Filed 1974·Granted Jun 21, 1977·16 cites·12 claims
- 1463US3970049AIgnition system for rotary piston engineNIPPON SOKEN·Filed 1974·Granted Jul 20, 1976·17 cites·4 claims
- 1556US4170212AIgnition system for rotary piston enginesTOYOTA MOTOR CO LTD·Filed 1977·Granted Oct 9, 1979·11 cites·5 claims
- 1655US4002025ASystem for heating intake pipe of internal combustion engineNIPPON SOKEN·Filed 1975·Granted Jan 11, 1977·13 cites·7 claims
- 1755US3977368ARotary piston engineNIPPON SOKEN·Filed 1974·Granted Aug 31, 1976·13 cites·7 claims
- 1851US3977366AIntake system of internal combustion engineNIPPON SOKEN·Filed 1974·Granted Aug 31, 1976·10 cites·7 claims
- 1950US4147030AEngine exhaust gas purification systemNIPPON SOKEN·Filed 1977·Granted Apr 3, 1979·10 cites·6 claims
- 2044US4191013ADevice for purifying exhaust gases from internal combustion engineNIPPON SOKEN·Filed 1977·Granted Mar 4, 1980·7 cites·2 claims
- 2144US4036183ARotary piston engineNIPPON SOKEN·Filed 1975·Granted Jul 19, 1977·8 cites·7 claims
- 2241US4625085AMaterial for high frequency suppression and distributor for combustion engine composed of the same materialNIPPON DENSO CO·Filed 1984·Granted Nov 25, 1986·6 cites·4 claims
- 2339US4110979AApparatus 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
- 2437US4164261AIgnition apparatus for rotary piston engineTOYOTA MOTOR CO LTD·Filed 1977·Granted Aug 14, 1979·2 cites·8 claims
- 2532US4640996AIgnition distributor for internal combustion enginesNIPPON DENSO CO·Filed 1985·Granted Feb 3, 1987·2 cites·6 claims
- 2630US4681989AIgnition distributor for internal combustion enginesNIPPON DENSO CO·Filed 1985·Granted Jul 21, 1987·1 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →