TREA

Yutaka Oku

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Iron club and iron club set
    • Patent number 5,669,824
    • Issue date Sep 23, 1997
    • Daiwa Seiko, Inc.
    • Yuichi Aizawa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf clubhead having beryllium face plate
    • Patent number 5,465,968
    • Issue date Nov 14, 1995
    • Daiwa Golf Co., Ltd.
    • Yuichi Aizawa
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 5,411,264
    • Issue date May 2, 1995
    • Daiwa Golf Co., Ltd.
    • Yutaka Oku
    • A63 - SPORTS GAMES AMUSEMENTS