Yuji Oku

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Two-stroke engine having variable exhaust port timing
- Patent number 4,202,297
- Issue date May 13, 1980
- Yamaha Hatsudoki Kabushiki Kaisha
- Yuji Oku
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
FUEL INJECTION DEVICE, AN ENGINE INCLUDING THE SAME, AND VEHICLE
- Publication number 20090229574
- Publication date Sep 17, 2009
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Koji Takasu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ENGINE AND VEHICLE
- Publication number 20090126674
- Publication date May 21, 2009
- YAMAHA HATSUDOKI KABUSHIKI KAISHA
- Koji Takasu
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS