Inventor · disambiguated record
Tokio Kohama
Also filed as: KOHAMA TOKIO
87 granted patents·1 pending application·2,240 citations·filing 1975–2001
99Inventor score
Top patents by PatentIndex Score
88 records- 0199US4489695AMethod and system for output control of internal combustion engineNIPPON SOKEN·Filed 1982·Granted Dec 25, 1984·183 cites·6 claims
- 0299US4434767AOutput control system for multicylinder internal combustion engineNIPPON SOKEN·Filed 1981·Granted Mar 6, 1984·177 cites·6 claims
- 0396US3975951AIntake-air amount detecting system for an internal combustion engineNIPPON SOKEN·Filed 1975·Granted Aug 24, 1976·73 cites·8 claims
- 0495US4562818AMethod and apparatus for controlling the air-fuel ratio in an internal combustion engineNIPPON SOKEN·Filed 1984·Granted Jan 7, 1986·44 cites·22 claims
- 0595US4089214AIntake air amount detecting systemNIPPON SOKEN·Filed 1977·Granted May 16, 1978·46 cites·10 claims
- 0693US4592241ATorque detectorNIPPON SOKEN·Filed 1983·Granted Jun 3, 1986·53 cites·13 claims
- 0790US4677850ASemiconductor-type flow rate detecting apparatusNIPPON SOKEN·Filed 1986·Granted Jul 7, 1987·61 cites·15 claims
- 0889US4691286AMethod and apparatus for detecting combustion variations in internal combustion engineNIPPON SOKEN·Filed 1985·Granted Sep 1, 1987·32 cites·8 claims
- 0989US4304129AGas flow measuring apparatusNIPPON SOKEN·Filed 1979·Granted Dec 8, 1981·44 cites·8 claims
- 1088US4149503AExhaust gas recirculation system for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Apr 17, 1979·27 cites·10 claims
- 1187US5925819ACombustion monitoring apparatus for internal combustion engineNIPPON SOKEN·Filed 1997·Granted Jul 20, 1999·37 cites·12 claims
- 1286US5446790AIntake sound control apparatusNIPPON SOKEN·Filed 1993·Granted Aug 29, 1995·73 cites·19 claims
- 1386US4537172AFuel supply control apparatus for an internal-combustion engineNIPPON SOKEN·Filed 1983·Granted Aug 27, 1985·39 cites·6 claims
- 1486US4074566AIntake air amount detecting device for an internal combustion engineNIPPON SOKEN·Filed 1976·Granted Feb 21, 1978·35 cites·5 claims
- 1585US5970963AApparatus for preventing flow noise in throttle valveNIPPON SOKEN·Filed 1998·Granted Oct 26, 1999·50 cites·26 claims
- 1684US6105552AAbnormal combustion detection apparatus and method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Aug 22, 2000·57 cites·14 claims
- 1784US6020742ACombustion monitoring apparatus for internal combustion engineNIPPON SOKEN·Filed 1997·Granted Feb 1, 2000·32 cites·7 claims
- 1884US5439204AVibration isolatorNIPPON DENSO CO·Filed 1994·Granted Aug 8, 1995·60 cites·20 claims
- 1983US4478185AAir-fuel ratio and ignition timing regulation by detecting engine running conditionNIPPON SOKEN·Filed 1983·Granted Oct 23, 1984·25 cites·11 claims
- 2083US4399697AGas flow measuring apparatusNIPPON SOKEN·Filed 1981·Granted Aug 23, 1983·34 cites·14 claims
- 2182US4513628ATorque detectorNIPPON SOKEN·Filed 1983·Granted Apr 30, 1985·31 cites·6 claims
- 2280US5692052AEngine noise control apparatusNIPPON DENSO CO·Filed 1994·Granted Nov 25, 1997·60 cites·4 claims
- 2379US4513721AAir-fuel ratio control device for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Apr 30, 1985·26 cites·7 claims
- 2478US4739483AAutomatic transmission control system for an automobileNIPPON SOKEN·Filed 1984·Granted Apr 19, 1988·31 cites·19 claims
- 2577US4100734AExhaust gas purification system for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Jul 18, 1978·20 cites·20 claims
- 2676US4616619AMethod for controlling air-fuel ratio in internal combustion engineNIPPON SOKEN·Filed 1984·Granted Oct 14, 1986·19 cites·32 claims
- 2775US4635200ASystem for controlling air-fuel ratio in an internal combustion engineNIPPON SOKEN·Filed 1984·Granted Jan 6, 1987·19 cites·3 claims
- 2874US6104195AApparatus for detecting a condition of burning in an internal combustion engineDENSO CORP·Filed 1997·Granted Aug 15, 2000·42 cites·22 claims
- 2974US4796584AIntake control system for internal combustion engine and intake control valve used thereinNIPPON DENSO CO·Filed 1987·Granted Jan 10, 1989·23 cites·25 claims
- 3074US4682496AFlow rate detecting apparatus having semiconductor chipsNIPPON SOKEN·Filed 1985·Granted Jul 28, 1987·31 cites·7 claims
- 3173US4503713ADual sensitivity torque detectorNIPPON SOKEN·Filed 1983·Granted Mar 12, 1985·26 cites·10 claims
- 3271US4702940AMethod of producing filter for air cleanerNIPPON DENSO CO·Filed 1986·Granted Oct 27, 1987·34 cites·10 claims
- 3371US4109462ADevice for purifying exhaust gas discharged from internal combustion engineNIPPON SOKEN·Filed 1976·Granted Aug 29, 1978·13 cites·13 claims
- 3470US4513626ATorque detectorNIPPON SOKEN·Filed 1983·Granted Apr 30, 1985·23 cites·11 claims
- 3570US4442820AExhaust recirculation system for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Apr 17, 1984·16 cites·12 claims
- 3669US4587843AThermocouple-type gas-flow measuring apparatusNIPPON SOKEN·Filed 1984·Granted May 13, 1986·21 cites·8 claims
- 3769US4357830AGas flow measuring apparatusNIPPON SOKEN·Filed 1980·Granted Nov 9, 1982·21 cites·7 claims
- 3868US5914457AActivated charcoal canisterNIPPON DENSO CO·Filed 1996·Granted Jun 22, 1999·34 cites·5 claims
- 3968US5343841AIntake control device of internal combustion engineNIPPON DENSO CO·Filed 1992·Granted Sep 6, 1994·22 cites·41 claims
- 4068US4693116ASemiconductor-chip gas-flow measuring apparatusNIPPON SOKEN·Filed 1985·Granted Sep 15, 1987·24 cites·16 claims
- 4166US4148286AExhaust gas recirculation system for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Apr 10, 1979·11 cites·7 claims
- 4264US5791043AProcess of producing metal catalyst carrierNIPPON SOKEN·Filed 1996·Granted Aug 11, 1998·25 cites·4 claims
- 4364US4499882ASystem for controlling air-fuel ratio in internal combustion engineNIPPON SOKEN·Filed 1983·Granted Feb 19, 1985·13 cites·9 claims
- 4464US4332165AGas flow measuring deviceNIPPON SOKEN·Filed 1979·Granted Jun 1, 1982·14 cites·3 claims
- 4564US4276773AGas flow measuring apparatusNIPPON SOKEN·Filed 1979·Granted Jul 7, 1981·16 cites·6 claims
- 4664US4242997AExhaust gas recirculation system for internal combustion enginesNIPPON SOKEN·Filed 1979·Granted Jan 6, 1981·11 cites·5 claims
- 4762US6604424B1Pressure detecting apparatus and installation structure of sameDENSO CORP·Filed 2000·Granted Aug 12, 2003·11 cites·25 claims
- 4862US5915364ACanister for use in evaporative emission control system for automotive vehicleDENSO CORP·Filed 1997·Granted Jun 29, 1999·23 cites·15 claims
- 4961US4550308ASignal converting apparatusNIPPON SOKEN·Filed 1983·Granted Oct 29, 1985·11 cites·14 claims
- 5060US4475388AThermal flowmeter with temperature compensationNIPPON SOKEN·Filed 1982·Granted Oct 9, 1984·17 cites·5 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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