Kenichi Yamamoto

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Hiroshima, JA

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Patents Grantslast 30 patents

Information Patent Grant
Rotary piston engine with seals and gas groove means in the rotor e...
- Patent number 4,080,118
- Issue date Mar 21, 1978
- Toyo Kogyo Co., Ltd.
- Kenichi Yamamoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Rotary piston engines
- Patent number 4,030,454
- Issue date Jun 21, 1977
- Toyo Kogyo Co., Ltd.
- Kenichi Yamamoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Intake means for rotary piston engines
- Patent number 4,019,469
- Issue date Apr 26, 1977
- Toyo Kogyo Co., Ltd.
- Kenichi Yamamoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS