Inventor · disambiguated record
Tadao Osawa
Also filed as: OSAWA TADAO
12 granted patents·153 citations·filing 1973–1991
91Inventor score
Files withHITACHI LTD12
Top patents by PatentIndex Score
12 records- 0188US4887577AHot-wire type air flow meter and an internal combustion engine with the sameHITACHI LTD·Filed 1988·Granted Dec 19, 1989·45 cites·11 claims
- 0282US4974445AHot wire type of air flow meter and internal combustion engine using the sameHITACHI LTD·Filed 1989·Granted Dec 4, 1990·26 cites·17 claims
- 0375US4027638AExhaust gas recirculation deviceHITACHI LTD·Filed 1976·Granted Jun 7, 1977·16 cites·3 claims
- 0457USRE34403EHot-wire type air flow meter and an internal combustion engine with the sameHITACHI LTD·Filed 1991·Granted Oct 12, 1993·16 cites·12 claims
- 0554US4723443AIntake air flow sensorHITACHI LTD·Filed 1986·Granted Feb 9, 1988·16 cites·3 claims
- 0645US4079710AExhaust gas recirculation deviceHITACHI LTD·Filed 1973·Granted Mar 21, 1978·8 cites·4 claims
- 0743US4790178AIntake structure of internal combustion engine with bypass intake passage for mounting air flow meterHITACHI LTD·Filed 1987·Granted Dec 13, 1988·7 cites·2 claims
- 0837US4532904AAir-fuel ratio control device for internal combustion enginesHITACHI LTD·Filed 1983·Granted Aug 6, 1985·4 cites·2 claims
- 0936US4782805AControl device for throttle valve for internal combustion engineHITACHI LTD·Filed 1986·Granted Nov 8, 1988·6 cites·3 claims
- 1034US4333890ASlow fuel controlling device for carburetorHITACHI LTD·Filed 1980·Granted Jun 8, 1982·4 cites·5 claims
- 1132US4986115AHot-wire air flow meterHITACHI LTD·Filed 1988·Granted Jan 22, 1991·2 cites·17 claims
- 1229US4397792AThrottle valve linkage for use with multi-carburetor assemblyHITACHI LTD·Filed 1981·Granted Aug 9, 1983·3 cites·16 claims
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