Yoshiaki Kodama

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Mitaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Frictional resistance reduction device for ship
- Patent number 9,376,167
- Issue date Jun 28, 2016
- National Maritime Research Institute
- Hideki Kawashima
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
FRICTIONAL RESISTANCE REDUCTION DEVICE FOR SHIP
- Publication number 20110259440
- Publication date Oct 27, 2011
- Hideki Kawashima
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT