Satoshi Keirimbo

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Hisai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contra-rotating bearing device for contra-rotating propeller
- Patent number 6,056,509
- Issue date May 2, 2000
- Kawasaki Jukogyo Kabushiki Kaisha
- Mikihiko Nakayama
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT