Inventor · disambiguated record
Torazo Nishimiya
Also filed as: NISHIMIYA TORAZO · SAKAMOTO SHINICHI
14 granted patents·320 citations·filing 1973–1989
94Inventor score
Files withHITACHI LTD14
Top patents by PatentIndex Score
14 records- 0196US4132199AAir-fuel ratio control apparatusHITACHI LTD·Filed 1977·Granted Jan 2, 1979·53 cites·15 claims
- 0288US4314585AProportional type electromagnetic valveHITACHI LTD·Filed 1979·Granted Feb 9, 1982·49 cites·6 claims
- 0386US4019474AAir-fuel ratio regulating apparatus for an internal combustion engine with exhaust gas sensor characteristic compensationHITACHI LTD·Filed 1975·Granted Apr 26, 1977·29 cites·3 claims
- 0484US4278959ACurrent-stroke proportional type solenoid valveHITACHI LTD·Filed 1979·Granted Jul 14, 1981·29 cites·7 claims
- 0580US4895126AFlow rate control systemHITACHI LTD·Filed 1989·Granted Jan 23, 1990·45 cites·8 claims
- 0677US4313590ASolenoid valve for controlling flow of fluidHITACHI LTD·Filed 1980·Granted Feb 2, 1982·20 cites·7 claims
- 0772US4617889AIdle speed control deviceHITACHI LTD·Filed 1985·Granted Oct 21, 1986·24 cites·8 claims
- 0870US4030462AAir-fuel ratio controller for internal-combustion engineHITACHI LTD·Filed 1976·Granted Jun 21, 1977·17 cites·5 claims
- 0963US3964454ADifferential ignition timing firing control systemHITACHI LTD·Filed 1974·Granted Jun 22, 1976·16 cites·18 claims
- 1058US4823750AAutomotive engine idle speed control deviceHITACHI LTD·Filed 1986·Granted Apr 25, 1989·15 cites·5 claims
- 1151US4231340AExhaust gas recirculation control system for internal combustion engineHITACHI LTD·Filed 1979·Granted Nov 4, 1980·8 cites·8 claims
- 1250US3935844AIgnition timing control systemHITACHI LTD·Filed 1973·Granted Feb 3, 1976·9 cites·8 claims
- 1339US4110978AApparatus for purifying exhaust gasHITACHI LTD·Filed 1976·Granted Sep 5, 1978·3 cites·3 claims
- 1436US4150643ACar exhaust gas purification device controlling circuitHITACHI LTD·Filed 1977·Granted Apr 24, 1979·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →