TREA

Hirohisa Nakatsuka

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interdental brush
    • Patent number 7,694,378
    • Issue date Apr 13, 2010
    • Sunstar, Inc.
    • Naoki Tsurukawa
    • A46 - BRUSHWARE

Patents Applicationslast 30 patents

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    Interdental Brush
    • Publication number 20080044791
    • Publication date Feb 21, 2008
    • Naoki Tsurukawa
    • A46 - BRUSHWARE