Hisayo Douta

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Kariya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus for internal combustion engine
- Patent number 5,479,897
- Issue date Jan 2, 1996
- Nippondenso Co., Ltd.
- Katsuhiko Kawai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio control system for internal combustion engine
- Patent number 5,473,888
- Issue date Dec 12, 1995
- Nippondenso Co., Ltd.
- Hisayo Douta
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio control system for internal combustion engine
- Patent number 5,390,489
- Issue date Feb 21, 1995
- Niopondenso Co., Ltd.
- Katsuhiko Kawai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Air-fuel ratio control system for internal combustion engine
- Patent number 5,343,701
- Issue date Sep 6, 1994
- Nippondenso Co., Ltd.
- Hisayo Douta
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Engine rotation speed control apparatus having auxiliary air contro...
- Patent number 5,216,610
- Issue date Jun 1, 1993
- Nippondenso Co., Ltd.
- Hisayo Douta
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS