Inventor · disambiguated record
Hisasi Kawai
Also filed as: INA TOSHIKAZU · IWASE KAZUO · KAWAI HISASI · MATSUI TAKESHI
126 granted patents·2,620 citations·filing 1975–1988
99Inventor score
Top patents by PatentIndex Score
126 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
- 0397US4356551AKnock detecting methodNIPPON SOKEN·Filed 1980·Granted Oct 26, 1982·63 cites·8 claims
- 0497US4268910AMethod for controlling timing of spark ignition for an internal combustion engine by feedback related to the detection of knockingNIPPON DENSO CO·Filed 1978·Granted May 19, 1981·53 cites·3 claims
- 0595US4562818AMethod and apparatus for controlling the air-fuel ratio in an internal combustion engineNIPPON SOKEN·Filed 1984·Granted Jan 7, 1986·44 cites·22 claims
- 0695US4465050ADevice for atomizing the fuel for an internal-combustion engineNIPPON SOKEN·Filed 1982·Granted Aug 14, 1984·58 cites·10 claims
- 0795US4089214AIntake air amount detecting systemNIPPON SOKEN·Filed 1977·Granted May 16, 1978·46 cites·10 claims
- 0893US4546338ARotary driving apparatusNIPPON SOKEN·Filed 1982·Granted Oct 8, 1985·44 cites·7 claims
- 0993US4400944AAir-fuel ratio control method and apparatus for internal combustion enginesNIPPON SOKEN·Filed 1980·Granted Aug 30, 1983·45 cites·15 claims
- 1090US4570594AMethod for controlling internal combustion engineNIPPON SOKEN·Filed 1984·Granted Feb 18, 1986·33 cites·3 claims
- 1190US4562823AIgnition device for internal combustion engineNIPPON SOKEN·Filed 1984·Granted Jan 7, 1986·31 cites·16 claims
- 1290US4201159AElectronic control method and apparatus for combustion enginesNIPPON SOKEN·Filed 1978·Granted May 6, 1980·24 cites·9 claims
- 1389US4809197ARoad surface detecting deviceNIPPON SOKEN·Filed 1986·Granted Feb 28, 1989·63 cites·14 claims
- 1489US4739183ALocal area network for vehicleNIPPON SOKEN·Filed 1986·Granted Apr 19, 1988·66 cites·12 claims
- 1589US4691286AMethod and apparatus for detecting combustion variations in internal combustion engineNIPPON SOKEN·Filed 1985·Granted Sep 1, 1987·32 cites·8 claims
- 1689US4304129AGas flow measuring apparatusNIPPON SOKEN·Filed 1979·Granted Dec 8, 1981·44 cites·8 claims
- 1788US4777611AApparatus for detecting abnormal variations of wheels of vehicleNIPPON SOKEN·Filed 1986·Granted Oct 11, 1988·54 cites·6 claims
- 1888US4702221AIgnition device for an internal combustion engineNIPPON SOKEN·Filed 1986·Granted Oct 27, 1987·33 cites·9 claims
- 1987US4535735AMulti-gap spark ignition systemNIPPON SOKEN·Filed 1982·Granted Aug 20, 1985·45 cites·1 claims
- 2086US4537172AFuel supply control apparatus for an internal-combustion engineNIPPON SOKEN·Filed 1983·Granted Aug 27, 1985·39 cites·6 claims
- 2186US4522177ATemperature compensated fuel injection system for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Jun 11, 1985·30 cites·3 claims
- 2286US4245594AIgnition deviceNIPPON SOKEN·Filed 1979·Granted Jan 20, 1981·19 cites·6 claims
- 2386US4233944AMethod for controlling ignition timing of internal combustion engineNIPPON DENSO CO·Filed 1979·Granted Nov 18, 1980·19 cites·2 claims
- 2484US4356807AIgnition device for an internal combustion engineNIPPON SOKEN·Filed 1980·Granted Nov 2, 1982·24 cites·5 claims
- 2583US4478185AAir-fuel ratio and ignition timing regulation by detecting engine running conditionNIPPON SOKEN·Filed 1983·Granted Oct 23, 1984·25 cites·11 claims
- 2683US4399697AGas flow measuring apparatusNIPPON SOKEN·Filed 1981·Granted Aug 23, 1983·34 cites·14 claims
- 2782US4433665ADevice for controlling choke valve in carburetor for internal combustion engineNIPPON SOKEN·Filed 1982·Granted Feb 28, 1984·22 cites·11 claims
- 2882US3991727AElectronically controlled fuel injection systemNIPPON SOKEN·Filed 1975·Granted Nov 16, 1976·27 cites·8 claims
- 2981US4361164AMethod of driving solenoid-operated proportional control valveNIPPON SOKEN·Filed 1980·Granted Nov 30, 1982·22 cites·5 claims
- 3080US4470392AMulti-gap spark ignition device for engineNIPPON SOKEN·Filed 1983·Granted Sep 11, 1984·19 cites·9 claims
- 3180US4345228ARotary actuatorNIPPON SOKEN·Filed 1981·Granted Aug 17, 1982·34 cites·7 claims
- 3280US4148090AApparatus for controlling an electromagnetic valveNIPPON SOKEN·Filed 1978·Granted Apr 3, 1979·23 cites·7 claims
- 3379US4513721AAir-fuel ratio control device for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Apr 30, 1985·26 cites·7 claims
- 3479US4328771AStarting assist system for diesel enginesNIPPON SOKEN·Filed 1979·Granted May 11, 1982·15 cites·8 claims
- 3578US4739483AAutomatic transmission control system for an automobileNIPPON SOKEN·Filed 1984·Granted Apr 19, 1988·31 cites·19 claims
- 3677US4837727ARoad surface detecting device for vehicleNIPPON SOKEN·Filed 1986·Granted Jun 6, 1989·32 cites·18 claims
- 3775US4512307AFuel quantity control apparatus of supercharged diesel engine with safety measuresNIPPON SOKEN·Filed 1982·Granted Apr 23, 1985·28 cites·4 claims
- 3875US4485626AApparatus for controlling the ignition timing of an internal combustion engine having a turbochargerNIPPON SOKEN·Filed 1982·Granted Dec 4, 1984·20 cites·4 claims
- 3975US4406273AIgnition system for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Sep 27, 1983·17 cites·4 claims
- 4075US4240388AMethod for controlling timing of spark ignition for an internal combustion engineNIPPON SOKEN·Filed 1978·Granted Dec 23, 1980·22 cites·10 claims
- 4174US4175507AElectronic ignition timing control system for internal combustion engineNIPPON SOKEN·Filed 1977·Granted Nov 27, 1979·13 cites·3 claims
- 4273US4644212APower supply for piezoelectric-element driving deviceNIPPON SOKEN·Filed 1985·Granted Feb 17, 1987·31 cites·5 claims
- 4373US4503713ADual sensitivity torque detectorNIPPON SOKEN·Filed 1983·Granted Mar 12, 1985·26 cites·10 claims
- 4473US4449367AKnocking control device for turbocharged internal combustion engineNIPPON SOKEN·Filed 1982·Granted May 22, 1984·17 cites·3 claims
- 4572US4162669AIgnition system for rotary piston enginesTOYOTA MOTOR CO LTD·Filed 1978·Granted Jul 31, 1979·19 cites·5 claims
- 4670US4748954AElectrostrictive actuator device and fuel injection device using sameNIPPON SOKEN·Filed 1985·Granted Jun 7, 1988·15 cites·21 claims
- 4770US4677378ADisplacement sensor including a magnetically responsive member and a pair of piezoelectric elementsNIPPON SOKEN·Filed 1986·Granted Jun 30, 1987·23 cites·4 claims
- 4870US4513626ATorque detectorNIPPON SOKEN·Filed 1983·Granted Apr 30, 1985·23 cites·11 claims
- 4970US4442820AExhaust recirculation system for internal combustion enginesNIPPON SOKEN·Filed 1982·Granted Apr 17, 1984·16 cites·12 claims
- 5070US4324217AElectronically controlled ignition for internal combustion enginesNIPPON SOKEN·Filed 1979·Granted Apr 13, 1982·11 cites·6 claims
Showing the top 50 of 126 patent records by PatentIndex Score.
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