Yoshitsugu Sumino

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Propeller for marine propulsion drive
- Patent number 5,807,151
- Issue date Sep 15, 1998
- Sanshin Kogyo Kabushiki Kaisha
- Yoshitsugu Sumino
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Marine propulsion device
- Patent number 5,800,223
- Issue date Sep 1, 1998
- Sanshin Kogyo Kabushiki Kaisha
- Yasushi Iriono
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Dual propeller system for marine drive
- Patent number 5,759,073
- Issue date Jun 2, 1998
- Sanshin Kogyo Kabushiki Kaisha
- Yoshitsugu Sumino
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Tandem propeller assembly for a marine propulsion unit
- Patent number 5,310,371
- Issue date May 10, 1994
- Sanshin Industries Co., Ltd.
- Yasushi Iriono
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fish line and weed cutter for marine propeller
- Patent number 4,609,361
- Issue date Sep 2, 1986
- Sanshin Kogyo Kabushiki Kaisha
- Yoshitsugu Sumino
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fish line entering prevention device for marine propeller
- Patent number 4,578,040
- Issue date Mar 25, 1986
- Sanshin Kogyo Kabushiki Kaisha
- Yoshitsugu Sumino
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT