Tadatsugu Yamamura

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Impeller for marine propulsion device
- Patent number 6,857,919
- Issue date Feb 22, 2005
- Yamaha Marine Kabushiki Kaisha
- Yasuhiko Henmi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Water preclusion system for watercraft exhaust
- Patent number 6,261,140
- Issue date Jul 17, 2001
- Yamaha Hatsudoki Kabushiki Kaisha
- Tatsuya Yoshida
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Impeller for marine propulsion device
- Publication number 20040009718
- Publication date Jan 15, 2004
- Yasuhiko Henmi
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Water preclusion system for watercraft exhaust
- Publication number 20020094732
- Publication date Jul 18, 2002
- Tatsuya Yoshida
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT