Katsuyoshi Kumano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surfboard fin attachment structure and surfboard
- Patent number 10,435,121
- Issue date Oct 8, 2019
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fin attachment structure
- Patent number 8,393,928
- Issue date Mar 12, 2013
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Fin
- Patent number 8,282,434
- Issue date Oct 9, 2012
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Surfboard Fin Attachment Structure and Surfboard
- Publication number 20170305511
- Publication date Oct 26, 2017
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
DETACHABLE FINS AND FIN ASSEMBLIES FOR WATERSPORT BOARDS
- Publication number 20160144933
- Publication date May 26, 2016
- Katsuyoshi KUMANO
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
Surfboard Fin Attachment Structure and Surfboard
- Publication number 20150266553
- Publication date Sep 24, 2015
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
FIN
- Publication number 20110028058
- Publication date Feb 3, 2011
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
FIN ATTACHMENT STRUCTURE
- Publication number 20100233921
- Publication date Sep 16, 2010
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Application
FIN ATTACHMENT STRUCTURE AND FIN
- Publication number 20100178820
- Publication date Jul 15, 2010
- Katsuyoshi Kumano
- Katsuyoshi Kumano
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT