TREA

Yutaka Takashima

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Patents Grantslast 30 patents

  • Information Patent Grant

    Racket string and stringed rackets using the same
    • Patent number 5,478,072
    • Issue date Dec 26, 1995
    • Gosen Co., Ltd.
    • Katsuo Kanno
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    String for racket
    • Patent number 5,145,172
    • Issue date Sep 8, 1992
    • Gosen Co., Ltd.
    • Yutaka Takashima
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING