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Yasushi Chatani

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  • Tokorozawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Activity toy
    • Patent number D277878
    • Issue date Mar 5, 1985
    • Kawada Co., Ltd.
    • Yasushi Chatani
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Activity toy
    • Patent number D277877
    • Issue date Mar 5, 1985
    • Kawada Co., Ltd.
    • Yasushi Chatani
    • D21 - Games, toys, and sports goods