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Itsuka Goshima

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  • Aichi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water-based ballpoint pen
    • Patent number 8,511,926
    • Issue date Aug 20, 2013
    • The Pilot Ink Co., Ltd.
    • Nobuyuki Kitaoka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    WATER-BASED BALLPOINT PEN
    • Publication number 20110013967
    • Publication date Jan 20, 2011
    • THE PILOT INK CO., LTD.
    • Nobuyuki Kitaoka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES