TREA

Shigeru Asai

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  • Gifu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ski
    • Patent number 4,697,820
    • Issue date Oct 6, 1987
    • Mizuno Corporation
    • Keijiro Hayashi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Ski
    • Patent number 4,697,821
    • Issue date Oct 6, 1987
    • Mizuno Corporation
    • Keijiro Hayashi
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Method for manufacturing an injection-molded foam core ski plate
    • Patent number 4,590,023
    • Issue date May 20, 1986
    • Mizuno Corporation
    • Keijiro Hayashi
    • A63 - SPORTS GAMES AMUSEMENTS