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Kengo Oka

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf ball
    • Patent number D371814
    • Issue date Jul 16, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Apparatus and method for manufacturing golf ball
    • Patent number 5,494,631
    • Issue date Feb 27, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Apparatus for manufacturing a golf ball
    • Patent number 5,472,330
    • Issue date Dec 5, 1995
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Golf ball
    • Patent number 5,338,039
    • Issue date Aug 16, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number D347870
    • Issue date Jun 14, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf ball
    • Patent number D347252
    • Issue date May 24, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf ball
    • Patent number D346839
    • Issue date May 10, 1994
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf ball
    • Patent number 5,292,132
    • Issue date Mar 8, 1994
    • Sumitomo Rubber Industries, Inc.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,190,294
    • Issue date Mar 2, 1993
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,174,578
    • Issue date Dec 29, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,156,404
    • Issue date Oct 20, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,145,180
    • Issue date Sep 8, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,143,377
    • Issue date Sep 1, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,127,655
    • Issue date Jul 7, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Mikio Yamada
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,123,652
    • Issue date Jun 23, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,092,604
    • Issue date Mar 3, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,090,705
    • Issue date Feb 25, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,078,402
    • Issue date Jan 7, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Three-piece solid golf ball
    • Patent number 5,072,944
    • Issue date Dec 17, 1991
    • Sumitomo Rubber Industries, Ltd.
    • Akihiro Nakahara
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,072,945
    • Issue date Dec 17, 1991
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 5,005,838
    • Issue date Apr 9, 1991
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Three-piece solid golf ball
    • Patent number 5,002,281
    • Issue date Mar 26, 1991
    • Sumitomo Rubber Industries, Ltd.
    • Akihiro Nakahara
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 4,848,766
    • Issue date Jul 18, 1989
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 4,813,677
    • Issue date Mar 21, 1989
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf ball
    • Patent number 4,729,567
    • Issue date Mar 8, 1988
    • Sumitomo Rubber Industries, Ltd.
    • Kengo Oka
    • A63 - SPORTS GAMES AMUSEMENTS