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Osamu Kobayashi
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Hiroshima-shi, JP
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last 30 patents
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Patent Grant
Sports ball
Patent number
8,801,553
Issue date
Aug 12, 2014
Mikasa Corporation
Takashi Fujikura
A63 - SPORTS GAMES AMUSEMENTS
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last 30 patents
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Patent Application
Sports ball
Publication number
20120004058
Publication date
Jan 5, 2012
Mikasa Corporation
Takashi Fujikura
A63 - SPORTS GAMES AMUSEMENTS