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Hiroshi Ezaki

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf club head
    • Patent number 7,438,649
    • Issue date Oct 21, 2008
    • Bridgestone Sports Co., Ltd.
    • Hiroshi Ezaki
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf clubhead
    • Patent number 5,842,934
    • Issue date Dec 1, 1998
    • Bridgestone Sports Co., Ltd.
    • Hiroshi Ezaki
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Iron golf club set
    • Patent number 5,823,887
    • Issue date Oct 20, 1998
    • Bridgestone Sports Co., Ltd.
    • Daisuke Mikame
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number D398687
    • Issue date Sep 22, 1998
    • Bridgestone Sports Co., Ltd.
    • Tetsuya Miyajima
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Golf club head
    • Patent number 5,711,722
    • Issue date Jan 27, 1998
    • Bridgestone Sports Co., Ltd.
    • Tetsuya Miyajima
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 5,681,228
    • Issue date Oct 28, 1997
    • Bridgestone Sports Co., Ltd.
    • Daisuke Mikame
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 5,603,667
    • Issue date Feb 18, 1997
    • Bridgestone Sports Co., Ltd.
    • Hiroshi Ezaki
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 5,386,996
    • Issue date Feb 7, 1995
    • Bridgestone Sports Co., Ltd.
    • Masaomi Hiruta
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club set
    • Patent number 4,874,171
    • Issue date Oct 17, 1989
    • Bridgestone Corporation
    • Hiroshi Ezaki
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Golf club head
    • Publication number 20050233831
    • Publication date Oct 20, 2005
    • BRIDGESTONE SPORTS CO., LTD.
    • Hiroshi Ezaki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Golf club head
    • Publication number 20050221914
    • Publication date Oct 6, 2005
    • BRIDGESTONE SPORTS CO., LTD.
    • Hiroshi Ezaki
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Golf club head
    • Publication number 20050159239
    • Publication date Jul 21, 2005
    • BRIDGESTONE SPORTS CO., LTD.
    • Yasunori Imamoto
    • A63 - SPORTS GAMES AMUSEMENTS