TREA

Keiji Chikuma

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Information guide display device
    • Patent number D407755
    • Issue date Apr 6, 1999
    • Kabushiki Kaisha Toshiba
    • Masao Isshiki
    • D20 - Sales and advertising equipment
  • Information Patent Grant

    Information guide display device
    • Patent number D401973
    • Issue date Dec 1, 1998
    • Kabushiki Kaisha Toshiba
    • Masao Isshiki
    • D20 - Sales and advertising equipment