TREA

Katsumi Araki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Educational toy
    • Patent number D446553
    • Issue date Aug 14, 2001
    • Tomy Company, Ltd.
    • Katsumi Araki
    • D21 - Games, toys, and sports goods
  • Information Patent Grant

    Educational toy
    • Patent number D436142
    • Issue date Jan 9, 2001
    • Tomy Company Ltd.
    • Katsumi Araki
    • D21 - Games, toys, and sports goods

Patents Applicationslast 30 patents

  • Information Patent Application

    Electronic musical toy instrument
    • Publication number 20010003942
    • Publication date Jun 21, 2001
    • Mieko Yabushita
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS