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Yoshinori Imamura

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  • Nagoya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Thermochromic writing instrument
    • Patent number 9,266,379
    • Issue date Feb 23, 2016
    • The Pilot Ink Co., Ltd.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic writing instrument
    • Patent number 9,233,574
    • Issue date Jan 12, 2016
    • The Pilot Ink Co., Ltd.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic writing instrument
    • Patent number 8,322,937
    • Issue date Dec 4, 2012
    • The Pilot Ink Co., Ltd.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    THERMOCHROMIC WRITING INSTRUMENT
    • Publication number 20130121744
    • Publication date May 16, 2013
    • THE PILOT INK CO., LTD.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    THERMOCHROMIC WRITING INSTRUMENT
    • Publication number 20100098476
    • Publication date Apr 22, 2010
    • THE PILOT INK CO., LTD.
    • Yoshinori Imamura
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES