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Katsunari Utsugi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermoelectric refrigerator
    • Patent number D478102
    • Issue date Aug 5, 2003
    • Twinbird Corporation
    • Katsunari Utsugi
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Picture reproducer
    • Patent number D412900
    • Issue date Aug 17, 1999
    • Twinbird Corporation
    • Katsunari Utsugi
    • D14 - Recording, communication, or information retrieval equipment