Takashi Unseki

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ship of contrarotating propeller propulsion type
- Patent number 9,463,856
- Issue date Oct 11, 2016
- Mitsubishi Heavy Industries, Ltd.
- Daisuke Matsumoto
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Stern tube seal device providing a seal about a rotatable shaft
- Patent number 4,632,403
- Issue date Dec 30, 1986
- Mitsubishi Jukogyo Kabushiki Kaisha
- Kenichiro Ishitani
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Stern tube seal device providing a seal about a rotatable shaft
- Patent number 4,534,569
- Issue date Aug 13, 1985
- Mitsubishi Jukogyo Kabushiki Kaisha
- Kenichiro Ishitani
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
SHIP OF CONTRAROTATING PROPELLER PROPULSION TYPE
- Publication number 20150239540
- Publication date Aug 27, 2015
- Mitsubishi Heavy Industries, Ltd.
- Daisuke Matsumoto
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT