Inventor · disambiguated record
Mitsumasa Yamada
Also filed as: YAMADA MITSUMASA
6 granted patents·64 citations·filing 1973–1989
82Inventor score
Top patents by PatentIndex Score
6 records- 0165US4445488AExhaust gas recirculation control for diesel engineNIPPON SOKEN·Filed 1982·Granted May 1, 1984·14 cites·8 claims
- 0262US3947544AMethod of cleaning exhaust gasesNIPPON DENSO CO·Filed 1973·Granted Mar 30, 1976·18 cites·1 claims
- 0355US3963444ASecondary air supply means of exhaust gas cleaning devicesNIPPON DENSO CO·Filed 1975·Granted Jun 15, 1976·16 cites·3 claims
- 0446US5033443APilot injection device for fuel injection pumpNIPPON DENSO CO·Filed 1989·Granted Jul 23, 1991·9 cites·13 claims
- 0538US4488533AAtmospheric pressure compensation system for exhaust gas recirculationNIPPON SOKEN·Filed 1984·Granted Dec 18, 1984·5 cites·6 claims
- 0631US4446839AMethod and apparatus for controlling exhaust gas recirculation in a diesel engineNIPPON SOKEN·Filed 1982·Granted May 8, 1984·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →