TREA

Hiroshi Nishizawa

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bearing for a yo-yo
    • Patent number D778991
    • Issue date Feb 14, 2017
    • NSK Ltd.
    • Haruo Sekido
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Bearing for yo-yo
    • Patent number D748740
    • Issue date Feb 2, 2016
    • NSK Ltd.
    • Haruo Sekido
    • D21 - Games, toys, and sports goods

Patents Applicationslast 30 patents