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Kazumi Oishi

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  • Kusatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toothbrush
    • Patent number 5,799,353
    • Issue date Sep 1, 1998
    • Sunstar Inc.
    • Kazumi Oishi
    • A46 - BRUSHWARE
  • Information Patent Grant

    toothbrush head
    • Patent number D387206
    • Issue date Dec 9, 1997
    • Sunstar Kabushiki Kaisha
    • Atsushi Yamamoto
    • D04 - Brushware
  • Information Patent Grant

    Toothbrush
    • Patent number D383608
    • Issue date Sep 16, 1997
    • Sunstar Kabushiki Kaisha
    • Atsushi Yamamoto
    • D04 - Brushware