Inventor · disambiguated record
Sigeo Tamaki
Also filed as: TAMAKI SIGEO
9 granted patents·165 citations·filing 1974–1992
89Inventor score
Files withHITACHI LTD9
Top patents by PatentIndex Score
9 records- 0188US4809659AMotor-driven throttle valve assemblyHITACHI LTD·Filed 1987·Granted Mar 7, 1989·37 cites·3 claims
- 0280US4779597AFail-safe system for vehicle engineHITACHI LTD·Filed 1987·Granted Oct 25, 1988·31 cites·6 claims
- 0377US3937194AAlarm apparatus for circulating exhaust gas flow control deviceHITACHI LTD·Filed 1974·Granted Feb 10, 1976·29 cites·9 claims
- 0473USRE34906EMotor-driven throttle valve assemblyHITACHI LTD·Filed 1992·Granted Apr 18, 1995·28 cites·6 claims
- 0560US4840146AMultiple throttle mechanism for internal combustion enginesHITACHI LTD·Filed 1988·Granted Jun 20, 1989·16 cites·6 claims
- 0647US4660518AIdling return device for internal combustion enginesHITACHI LTD·Filed 1986·Granted Apr 28, 1987·9 cites·3 claims
- 0745US4247491AAccelerator pump for carburetorHITACHI LTD·Filed 1979·Granted Jan 27, 1981·5 cites·9 claims
- 0840US4712531AApparatus for adjusting specific volume of intake air for engineHITACHI LTD·Filed 1985·Granted Dec 15, 1987·6 cites·11 claims
- 0936US4245608AIdling control apparatus for internal combustion engineHITACHI LTD·Filed 1979·Granted Jan 20, 1981·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →