TREA

Koji Sakai

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf club
    • Patent number 6,899,638
    • Issue date May 31, 2005
    • Mizuno Corporation
    • Mototaka Iwata
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 6,776,725
    • Issue date Aug 17, 2004
    • Mizuno Corporation
    • Koryo Miura
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head, iron golf club head, wood golf club head, and golf...
    • Patent number 6,695,712
    • Issue date Feb 24, 2004
    • Mizuno Corporation
    • Mototaka Iwata
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Metal golf club head
    • Patent number 6,435,981
    • Issue date Aug 20, 2002
    • Mizuno Corporation
    • Takeshi Naruo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Metal golf club head
    • Patent number 6,428,425
    • Issue date Aug 6, 2002
    • Mizuno Corporation
    • Takeshi Naruo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Metal wood club head
    • Patent number 6,402,639
    • Issue date Jun 11, 2002
    • Mizuno Corporation
    • Mototaka Iwata
    • A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Golf club
    • Publication number 20010051548
    • Publication date Dec 13, 2001
    • Mototaka Iwata
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Metal golf club head
    • Publication number 20010001773
    • Publication date May 24, 2001
    • Mizuno Corporation
    • Takeshi Naruo
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Application

    Metal golf club head
    • Publication number 20010000337
    • Publication date Apr 19, 2001
    • Mizuno Corporation
    • Takeshi Naruo
    • A63 - SPORTS GAMES AMUSEMENTS