TREA

Ryohei Tajima

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Golf club head
    • Patent number 5,120,061
    • Issue date Jun 9, 1992
    • Yamaha Corporation
    • Atsushi Tsuchida
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Golf club head
    • Patent number 4,824,116
    • Issue date Apr 25, 1989
    • Yamaha Corporation
    • Itsushi Nagamoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for producing a wood-type golf club head
    • Patent number 4,714,577
    • Issue date Dec 22, 1987
    • Nippon Gakki Seizo Kabushiki Kaisha
    • Itsushi Nagamoto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL