Hiromasa Yamamoto

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Takarazuka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing apparatus and method for golf ball
- Patent number 6,528,003
- Issue date Mar 4, 2003
- Sumitomo Rubber Industries, Ltd.
- Hideki Sano
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Thread wound golf ball and process for producing the same
- Patent number 5,728,011
- Issue date Mar 17, 1998
- Sumitomo Rubber Industries, Ltd.
- Kazushige Sugimoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL