Hirotoshi Yamaguchi

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water cooling apparatus in power transmission system of boat propul...
- Patent number 7,892,056
- Issue date Feb 22, 2011
- Yamaha Hatsudoki Kabushiki Kaisha
- Yoshihiko Okabe
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT