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Kyo Nakayama

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Patents Grantslast 30 patents

  • Information Patent Grant

    Multifunction pen
    • Patent number 11,472,222
    • Issue date Oct 18, 2022
    • Mitsubishi Pencil Company, Limited
    • Kyo Nakayama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Multifunction pen
    • Patent number 11,221,686
    • Issue date Jan 11, 2022
    • Mitsubishi Pencil Company, Limited
    • Kyo Nakayama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Input touch pen
    • Patent number 10,921,909
    • Issue date Feb 16, 2021
    • Mitsubishi Pencil Company, Limited
    • Shinichi Ushiku
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Handwriting input device
    • Patent number 10,838,520
    • Issue date Nov 17, 2020
    • Mitsubishi Pencil Company, Limited
    • Kyo Nakayama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Chuck body and mechanical pencil
    • Patent number 9,649,872
    • Issue date May 16, 2017
    • Mitsubishi Pencil Company, Limited
    • Yusuke Koizumi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument or applicator having resin molded parts
    • Patent number 9,597,920
    • Issue date Mar 21, 2017
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,302,529
    • Issue date Apr 5, 2016
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 8,337,107
    • Issue date Dec 25, 2012
    • Mitsubishi Pencil Co., Ltd.
    • Norio Ohsawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 8,328,446
    • Issue date Dec 11, 2012
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Method of moulding composite member, and composite member
    • Patent number 8,043,686
    • Issue date Oct 25, 2011
    • Mitsubishi Pencil Co., Ltd.
    • Hitoshi Suzuki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,850,380
    • Issue date Dec 14, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,850,381
    • Issue date Dec 14, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,815,385
    • Issue date Oct 19, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,806,615
    • Issue date Oct 5, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,802,936
    • Issue date Sep 28, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,654,763
    • Issue date Feb 2, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead holding structure of mechanical pencil
    • Patent number 7,452,148
    • Issue date Nov 18, 2008
    • Mitsubishi Pencil Co., Ltd.
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 7,153,052
    • Issue date Dec 26, 2006
    • Mitsubishi Pencil Kabushikikaisha
    • Kyo Nakayama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead propelling device
    • Patent number 6,854,909
    • Issue date Feb 15, 2005
    • Mitsubishi Pencil Co., Ltd.
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIFUNCTION PEN
    • Publication number 20210031557
    • Publication date Feb 4, 2021
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kyo Nakayama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTIFUNCTION PEN
    • Publication number 20200363881
    • Publication date Nov 19, 2020
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kyo Nakayama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    INPUT TOUCH PEN
    • Publication number 20200218371
    • Publication date Jul 9, 2020
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Shinichi Ushiku
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    HANDWRITING INPUT DEVICE
    • Publication number 20190227644
    • Publication date Jul 25, 2019
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kyo Nakayama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CHUCK BODY AND MECHANICAL PENCIL
    • Publication number 20150314632
    • Publication date Nov 5, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yusuke Koizumi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT OR APPLICATOR HAVING RESIN MOLDED PARTS
    • Publication number 20150063893
    • Publication date Mar 5, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei Oomoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20140016982
    • Publication date Jan 16, 2014
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20110002728
    • Publication date Jan 6, 2011
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100322695
    • Publication date Dec 23, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Norio Ohsawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100266325
    • Publication date Oct 21, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100254746
    • Publication date Oct 7, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100239351
    • Publication date Sep 23, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100232863
    • Publication date Sep 16, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20100166486
    • Publication date Jul 1, 2010
    • MITSUBISHI PENCIL CO.,LTD.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical Pencil
    • Publication number 20090180824
    • Publication date Jul 16, 2009
    • Mitsubishi Pencil Co., Ltd.
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    METHOD OF MOULDING COMPOSITE MEMBER, AND COMPOSITE MEMBER
    • Publication number 20090075045
    • Publication date Mar 19, 2009
    • Mitsubishi Pencil Co., Ltd.
    • Hitoshi Suzuki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    Lead holding structure of mechanical pencil
    • Publication number 20070172298
    • Publication date Jul 26, 2007
    • Mitsubishi Pencil Co., Ltd.
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing implement
    • Publication number 20040190973
    • Publication date Sep 30, 2004
    • Kyo Nakayama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Lead propelling device
    • Publication number 20040141795
    • Publication date Jul 22, 2004
    • Mitsubishi Pencil Co., Ltd.
    • Takeo Fukumot
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES