Jun Yamakawa

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a golf ball
- Patent number 7,452,288
- Issue date Nov 18, 2008
- SRI Sports Ltd.
- Shunichi Nagasaki
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Golf ball manufacturing method
- Patent number 7,273,574
- Issue date Sep 25, 2007
- SRI Sports Limited
- Jun Yamakawa
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Apparatus for removing cover of golf ball from core
- Patent number 7,204,290
- Issue date Apr 17, 2007
- SUMITOMO RUBBER INDUSTRIES, LTD.
- Yasuhiro Watabe
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Method of removing cover of golf ball from core
- Patent number 6,833,098
- Issue date Dec 21, 2004
- Sumitomo Rubber Industries, Ltd.
- Yasuhiro Watabe
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing a golf ball
- Publication number 20050215355
- Publication date Sep 29, 2005
- Sumitomo Rubber Industries, Ltd.
- Shunichi Nagasaki
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Apparatus for removing cover of golf ball from core
- Publication number 20050016691
- Publication date Jan 27, 2005
- Sumitomo Rubber Industries, Ltd.
- Yasuhiro Watabe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Golf ball manufacturing method
- Publication number 20040144224
- Publication date Jul 29, 2004
- Jun Yamakawa
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Method of removing cover of golf ball from core
- Publication number 20020056932
- Publication date May 16, 2002
- Yasuhiro Watabe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL