Iwao Masumoto

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Shimada, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water cooling means for engine
- Patent number 5,103,774
- Issue date Apr 14, 1992
- Yamaha Hatsudoki Kabushiki Kaisha
- Akira Hirata
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Intake system for automotive engine
- Patent number 5,048,471
- Issue date Sep 17, 1991
- Yamaha Hatsudoki Kabushiki Kaisha
- Osamu Takii
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Water cooling means for engine
- Patent number 4,976,462
- Issue date Dec 11, 1990
- Yamaha Hatsudoki Kabushiki Kaisha
- Akira Hirata
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Intake system for multi cylindered engine
- Patent number 4,809,647
- Issue date Mar 7, 1989
- Yamaha Hatsudoki Kabushiki Kaisha
- Iwao Masumoto
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS