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Nobuaki Kobayashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,588,383
    • Issue date Sep 15, 2009
    • Sakura Color Products Corporation
    • Shunsuke Hokimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator
    • Patent number 6,837,640
    • Issue date Jan 4, 2005
    • Sakura Color Products Corp.
    • Nobuaki Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Applicator
    • Patent number 6,554,521
    • Issue date Apr 29, 2003
    • Sakura Color Products Corporation
    • Nobuaki Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Liquid applicator and method of making same
    • Patent number 5,615,963
    • Issue date Apr 1, 1997
    • Sakura Color Products Corp.
    • Nobuaki Kobayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Mechanical pencil
    • Publication number 20090028626
    • Publication date Jan 29, 2009
    • Shunsuke Hokimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES