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Isamu Negishi
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Tokyo, JP
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last 30 patents
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Patent Grant
Golf club shaft and method of producing the same
Patent number
5,653,646
Issue date
Aug 5, 1997
Fujikura Rubber Ltd.
Isamu Negishi
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Golf club shaft and method of producing the same
Patent number
5,297,791
Issue date
Mar 29, 1994
Fujikura Rubber Ltd.
Isamu Negishi
A63 - SPORTS GAMES AMUSEMENTS