Inventor · disambiguated record
Hideki Obayashi
Also filed as: NOHIRA HIDETAKA · OBAYASHI HIDEKI
52 granted patents·1,306 citations·filing 1975–2014
99Inventor score
Top patents by PatentIndex Score
52 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
- 0790US7024304B2Diagnosis system for variable valve controllerDENSO CORP·Filed 2005·Granted Apr 4, 2006·21 cites·4 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
- 1186US7143753B2Air amount calculator for internal combustion engineDENSO CORP·Filed 2005·Granted Dec 5, 2006·13 cites·14 claims
- 1286US4074566AIntake air amount detecting device for an internal combustion engineNIPPON SOKEN·Filed 1976·Granted Feb 21, 1978·35 cites·5 claims
- 1383US7047740B2Boost pressure estimation apparatus for internal combustion engine with superchargerDENSO CORP·Filed 2005·Granted May 23, 2006·17 cites·20 claims
- 1483US4478185AAir-fuel ratio and ignition timing regulation by detecting engine running conditionNIPPON SOKEN·Filed 1983·Granted Oct 23, 1984·25 cites·11 claims
- 1583US4399697AGas flow measuring apparatusNIPPON SOKEN·Filed 1981·Granted Aug 23, 1983·34 cites·14 claims
- 1682US4513628ATorque detectorNIPPON SOKEN·Filed 1983·Granted Apr 30, 1985·31 cites·6 claims
- 1779US4513721AAir-fuel ratio control device for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Apr 30, 1985·26 cites·7 claims
- 1878US4739483AAutomatic transmission control system for an automobileNIPPON SOKEN·Filed 1984·Granted Apr 19, 1988·31 cites·19 claims
- 1977US4100734AExhaust gas purification system for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Jul 18, 1978·20 cites·20 claims
- 2074US4796584AIntake control system for internal combustion engine and intake control valve used thereinNIPPON DENSO CO·Filed 1987·Granted Jan 10, 1989·23 cites·25 claims
- 2173US4503713ADual sensitivity torque detectorNIPPON SOKEN·Filed 1983·Granted Mar 12, 1985·26 cites·10 claims
- 2271US4109462ADevice for purifying exhaust gas discharged from internal combustion engineNIPPON SOKEN·Filed 1976·Granted Aug 29, 1978·13 cites·13 claims
- 2370US4513626ATorque detectorNIPPON SOKEN·Filed 1983·Granted Apr 30, 1985·23 cites·11 claims
- 2469US4357830AGas flow measuring apparatusNIPPON SOKEN·Filed 1980·Granted Nov 9, 1982·21 cites·7 claims
- 2568US4624232AApparatus for controlling air-fuel ratio in internal combustion engineNIPPON SOKEN·Filed 1985·Granted Nov 25, 1986·18 cites·21 claims
- 2666US4148286AExhaust gas recirculation system for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Apr 10, 1979·11 cites·7 claims
- 2764US4332165AGas flow measuring deviceNIPPON SOKEN·Filed 1979·Granted Jun 1, 1982·14 cites·3 claims
- 2864US4276773AGas flow measuring apparatusNIPPON SOKEN·Filed 1979·Granted Jul 7, 1981·16 cites·6 claims
- 2960US9677484B2Fuel reformer for internal-combustion engineDENSO CORP·Filed 2014·Granted Jun 13, 2017·1 cites·9 claims
- 3060US4471655AGas flow rate measuring apparatusNIPPON SOKEN·Filed 1981·Granted Sep 18, 1984·16 cites·6 claims
- 3159US4067233AIntake air amount measuring system for an internal combustion engineNIPPON SOKEN·Filed 1977·Granted Jan 10, 1978·12 cites·7 claims
- 3256US5080065AAir intake control system for an internal combustion engineNIPPON DENSO CO·Filed 1990·Granted Jan 14, 1992·15 cites·25 claims
- 3356US4425792AApparatus for measuring a fluid flow rateNIPPON SOKEN·Filed 1982·Granted Jan 17, 1984·14 cites·8 claims
- 3453US4196706AExhaust gas recirculation system for internal combustion engineNIPPON SOKEN·Filed 1978·Granted Apr 8, 1980·7 cites·6 claims
- 3552US4858568AIntake apparatus for internal combustion engineNIPPON DENSO CO·Filed 1988·Granted Aug 22, 1989·12 cites·6 claims
- 3652US4181110AExhaust gas recirculation system for internal combustion engineNIPPON SOKEN·Filed 1978·Granted Jan 1, 1980·7 cites·4 claims
- 3751US4532798AMeasurement of variations in internal combustion engine outputNIPPON SOKEN·Filed 1984·Granted Aug 6, 1985·11 cites·14 claims
- 3851US4146986ADevice for supplying secondary air for purifying exhaust gases discharged from internal combustion engineNIPPON SOKEN·Filed 1976·Granted Apr 3, 1979·9 cites·6 claims
- 3950US4517648ATorque variation detecting method and apparatus for internal combustion engineNIPPON SOKEN·Filed 1982·Granted May 14, 1985·11 cites·10 claims
- 4050US4409828AGas flow measuring deviceNIPPON SOKEN·Filed 1981·Granted Oct 18, 1983·11 cites·5 claims
- 4149US4414847AGas flow measuring apparatusNIPPON SOKEN·Filed 1981·Granted Nov 15, 1983·10 cites·6 claims
- 4249US4393702AGas flow measuring deviceNIPPON SOKEN·Filed 1981·Granted Jul 19, 1983·10 cites·9 claims
- 4349US4384484AGas flow measuring deviceNIPPON SOKEN·Filed 1981·Granted May 24, 1983·10 cites·2 claims
- 4449US4230079AExhaust gas recirculation system for internal combustion enginesNIPPON SOKEN·Filed 1979·Granted Oct 28, 1980·6 cites·7 claims
- 4548US4513627ATorque detectorNIPPON SOKEN·Filed 1983·Granted Apr 30, 1985·10 cites·4 claims
- 4646US4550618ATorque detectorNIPPON SOKEN·Filed 1983·Granted Nov 5, 1985·9 cites·8 claims
- 4744US4200843ANon-linear operational circuitNIPPON SOKEN·Filed 1977·Granted Apr 29, 1980·5 cites·4 claims
- 4841US4391132AGas flow measuring apparatusNIPPON SOKEN·Filed 1981·Granted Jul 5, 1983·7 cites·5 claims
- 4939US4222237AExhaust gas purifying apparatus for internal combustion engineNIPPON SOKEN·Filed 1978·Granted Sep 16, 1980·4 cites·16 claims
- 5037US4437345AGas flow measuring deviceNIPPON SOKEN·Filed 1982·Granted Mar 20, 1984·5 cites·6 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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