Hideki Uema

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst deterioration diagnosis system for internal combustion engine
- Patent number 5,640,847
- Issue date Jun 24, 1997
- Nissan Motor Co., Ltd.
- Yuki Nakajima
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Catalyst degradation diagnosing apparatus for air fuel ratio contro...
- Patent number 5,119,628
- Issue date Jun 9, 1992
- Nissan Motor Co., Ltd.
- Hideki Uema
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
System and method for controlling air/fuel mixture ratio for intern...
- Patent number 5,050,083
- Issue date Sep 17, 1991
- Nissan Motor Company, Limited
- Masaaki Uchida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air/fuel ratio control system for internal combustion engine with c...
- Patent number 4,924,836
- Issue date May 15, 1990
- Nissan Motor Company, Limited
- Masaaki Uchida
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS