Inventor · disambiguated record
Toshiharu Iwata
Also filed as: HATTORI TADASHI · IWATA TOSHIHARU
33 granted patents·2 pending applications·564 citations·filing 1973–2015
98Inventor score
Top patents by PatentIndex Score
35 records- 0194US4112885AThrottle valve control system for an internal combustion engineNIPPON SOKEN·Filed 1976·Granted Sep 12, 1978·77 cites·10 claims
- 0289US4153021AAir-fuel mixture ratio correcting system for carburetorNIPPON SOKEN·Filed 1977·Granted May 8, 1979·34 cites·9 claims
- 0387US4036186AAir-fuel mixture ratio correcting system for carburetorNIPPON SOKEN·Filed 1974·Granted Jul 19, 1977·35 cites·14 claims
- 0484US4513716AIgnition timing control system with knock control for internal combustion enginesNIPPON DENSO CO·Filed 1982·Granted Apr 30, 1985·42 cites·18 claims
- 0581US4211952ASpark plugNIPPON SOKEN·Filed 1978·Granted Jul 8, 1980·26 cites·7 claims
- 0679US4300490AAir-fuel mixture ratio correcting system for carburetorNIPPON SOKEN·Filed 1979·Granted Nov 17, 1981·15 cites·5 claims
- 0777US4590565AIgnition timing control for compensating knock in both steady-state and transient stateNIPPON DENSO CO·Filed 1983·Granted May 20, 1986·18 cites·19 claims
- 0875US4489692AIgnition timing control system for internal combustion engine with knock sensorNIPPON DENSO CO·Filed 1983·Granted Dec 25, 1984·30 cites·9 claims
- 0974US4269155AIgnition timing control system for internal combustion enginesNIPPON SOKEN·Filed 1979·Granted May 26, 1981·13 cites·3 claims
- 1073US4539957AIgnition timing control system for internal combustion enginesNIPPON DENSO CO·Filed 1982·Granted Sep 10, 1985·26 cites·5 claims
- 1173US4274379AMethod and system for controlling ignition timing of internal combustion enginesNIPPON SOKEN·Filed 1979·Granted Jun 23, 1981·26 cites·4 claims
- 1271US4261313AMethod of and apparatus for controlling ignition timing of an internal-combustion engineNIPPON SOKEN·Filed 1979·Granted Apr 14, 1981·25 cites·6 claims
- 1365US4020813AAir-to-fuel ratio control means for carbureterNIPPON SOKEN·Filed 1974·Granted May 3, 1977·17 cites·2 claims
- 1463US4541382AMethod and apparatus for ignition timing control of internal combustion engineNIPPON DENSO CO·Filed 1983·Granted Sep 17, 1985·11 cites·8 claims
- 1562US4760828AIgnition timing controller for multi-cylinder engineNIPPON DENSO CO·Filed 1987·Granted Aug 2, 1988·20 cites·6 claims
- 1660US4517944AIgnition timing control for internal combustion enginesNIPPON DENSO CO·Filed 1982·Granted May 21, 1985·16 cites·12 claims
- 1758US4128998AOverheat preventing system for exhaust gas purifier of vehiclesNIPPON SOKEN·Filed 1977·Granted Dec 12, 1978·13 cites·16 claims
- 1857US4344014AIgnition spark plugNIPPON SOKEN·Filed 1980·Granted Aug 10, 1982·11 cites·5 claims
- 1957US4269154AIgnition timing control system for internal combustion enginesNIPPON SOKEN·Filed 1979·Granted May 26, 1981·14 cites·3 claims
- 2056US4267482AIgnition spark plugNIPPON SOKEN·Filed 1978·Granted May 12, 1981·9 cites·3 claims
- 2155US4452206AIgnition timing control system for internal combustion enginesNIPPON DENSO CO·Filed 1982·Granted Jun 5, 1984·8 cites·11 claims
- 2252US4498331AKnocking detecting apparatus for internal combustion enginesNIPPON DENSO CO·Filed 1983·Granted Feb 12, 1985·13 cites·6 claims
- 2346US4012906AOverheat preventing system for exhaust gas purifier of vehiclesNIPPON SOKEN·Filed 1973·Granted Mar 22, 1977·8 cites·5 claims
- 2444US5404854AKnock control system for internal combustion engineNIPPON DENSO CO·Filed 1993·Granted Apr 11, 1995·11 cites·20 claims
- 2544US4467764AMethod and apparatus for controlling ignition timing in a multicylinder internal combustion engineNIPPON DENSO CO·Filed 1983·Granted Aug 28, 1984·8 cites·10 claims
- 2641US4429565AKnocking detecting apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1981·Granted Feb 7, 1984·8 cites·6 claims
- 2741US2006057688A1Method for separating vitamin K2 from Bacillus bacterium cultureCHISSO CORP·Filed 2005·Application pending·0 cites
- 2840US2016144471A1Workpiece fixing jigTSUDAKOMA IND CO LTD·Filed 2015·Application pending·0 cites
- 2937US4452205AMethod and apparatus for controlling ignition timing in an internal combustion engineNIPPON DENSO CO·Filed 1983·Granted Jun 5, 1984·5 cites·7 claims
- 3036US4432322AMethod and system for controlling ignition timing in a multicylinder internal combustion engineNIPPON DENSO CO·Filed 1982·Granted Feb 21, 1984·5 cites·28 claims
- 3135US4879550AMethod and system for loop communicationHITACHI LTD·Filed 1986·Granted Nov 7, 1989·7 cites·9 claims
- 3235US4480615AMethod and apparatus for controlling ignition timing in a multicylinder internal combustion engineNIPPON DENSO CO·Filed 1983·Granted Nov 6, 1984·3 cites·10 claims
- 3335US4084560AEngine air-to-fuel ratio control systemNIPPON SOKEN·Filed 1975·Granted Apr 18, 1978·3 cites·6 claims
- 3434US4351282AIgnition timing control system for internal combustion engineNIPPON DENSO CO·Filed 1981·Granted Sep 28, 1982·4 cites·4 claims
- 3531US4453521AMethod and apparatus for controlling ignition timing in a multicylinder internal combustion engineNIPPON DENSO CO·Filed 1983·Granted Jun 12, 1984·3 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →