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Tadao Odaka

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number D1010733
    • Issue date Jan 9, 2024
    • MITSUBISHI PENCIL COMPANY, LTD.
    • Hiroaki Kondo
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D998038
    • Issue date Sep 5, 2023
    • MITSUBISHI PENCIL COMPANY, LTD.
    • Hiroaki Kondo
    • D19 - Office supplies
  • Information Patent Grant

    Mechanical pencil
    • Patent number 11,090,969
    • Issue date Aug 17, 2021
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 10,603,948
    • Issue date Mar 31, 2020
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite writing implement
    • Patent number 10,589,563
    • Issue date Mar 17, 2020
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,738,112
    • Issue date Aug 22, 2017
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Clip attachment structure for a writing instrument
    • Patent number 8,484,808
    • Issue date Jul 16, 2013
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Clip fixing structure
    • Patent number 7,254,870
    • Issue date Aug 14, 2007
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cartridge type stationery product
    • Patent number 7,210,869
    • Issue date May 1, 2007
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite holding tool
    • Patent number 7,014,380
    • Issue date Mar 21, 2006
    • Fujicopian Co., Ltd.
    • Masahiko Ono
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite writing tool
    • Patent number 6,994,484
    • Issue date Feb 7, 2006
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composite writing utensil
    • Patent number 6,939,069
    • Issue date Sep 6, 2005
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Clip attaching structure
    • Patent number 6,895,640
    • Issue date May 24, 2005
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Double-chuck mechanical pencil
    • Patent number 6,783,292
    • Issue date Aug 31, 2004
    • Kotobuki & Co., Ltd.
    • Sachio Arai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Knocking-type liquid container
    • Patent number 6,702,158
    • Issue date Mar 9, 2004
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • A45 - HAND OR TRAVELLING ARTICLES

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20210187994
    • Publication date Jun 24, 2021
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20200009899
    • Publication date Jan 9, 2020
    • Kotobuki & Co., Ltd.
    • Tadao ODAKA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20190308442
    • Publication date Oct 10, 2019
    • Kotobuki & Co., Ltd.
    • Yoshio NOGUCHI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ROD-LIKE OBJECT DISPENSING CONTAINER
    • Publication number 20190283486
    • Publication date Sep 19, 2019
    • Kotobuki & Co., Ltd.
    • Tadao ODAKA
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20190054756
    • Publication date Feb 21, 2019
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COMPOSITE WRITING IMPLEMENT
    • Publication number 20180319202
    • Publication date Nov 8, 2018
    • Kotobuki & Co., Ltd.
    • Tadao ODAKA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical Pencil
    • Publication number 20160039244
    • Publication date Feb 11, 2016
    • Kotobuki & Co., Ltd.
    • Hidehei KAGEYAMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    CLIP ATTACHMENT STRUCTURE FOR A WRITING INSTRUMENT
    • Publication number 20110191987
    • Publication date Aug 11, 2011
    • KOTOBUKI & CO., LTD.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Clip fixing structure
    • Publication number 20060053595
    • Publication date Mar 16, 2006
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COMPOSITE WRITING TOOL
    • Publication number 20050265767
    • Publication date Dec 1, 2005
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Composite writing utensil
    • Publication number 20050100387
    • Publication date May 12, 2005
    • Kotobuki & Co., Ltd.
    • Tadao Odaka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Cartridge type stationery product
    • Publication number 20050074271
    • Publication date Apr 7, 2005
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Composite holding tool
    • Publication number 20040114985
    • Publication date Jun 17, 2004
    • Fujicopian Co., Ltd.
    • Masahiko Ono
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Double-chuck mechanical pencil
    • Publication number 20030113154
    • Publication date Jun 19, 2003
    • Sachio Arai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Knocking-type liquid container
    • Publication number 20020070247
    • Publication date Jun 13, 2002
    • Hidehei Kageyama
    • A45 - HAND OR TRAVELLING ARTICLES