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Hiroshi Hirata

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  • Shirakawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing a golf ball
    • Patent number 6,521,161
    • Issue date Feb 18, 2003
    • Sumitomo Rubber Industries, Ltd.
    • Takayuki Tanaka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 6,210,291
    • Issue date Apr 3, 2001
    • Sumitomo Rubber Industries, Ltd.
    • Akira Kato
    • A63 - SPORTS GAMES AMUSEMENTS