TREA

Tadashi Keda

Follow

Person

  • Kawagoe-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number D829282
    • Issue date Sep 25, 2018
    • KOTOBUKI & CO., LTD.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number 8,970,560
    • Issue date Mar 3, 2015
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number D650858
    • Issue date Dec 20, 2011
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Stick-shaped material propelling container
    • Patent number 7,878,726
    • Issue date Feb 1, 2011
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil with a lead tank
    • Patent number D621446
    • Issue date Aug 10, 2010
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Airtight cap structure
    • Patent number 7,708,486
    • Issue date May 4, 2010
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cap for writing instrument
    • Patent number D612428
    • Issue date Mar 23, 2010
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Mechanical pencil with a lead tank
    • Patent number D611989
    • Issue date Mar 16, 2010
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Cap for a writing instrument
    • Patent number D602089
    • Issue date Oct 13, 2009
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Cap for a writing instrument
    • Patent number D594902
    • Issue date Jun 23, 2009
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Housing for writing instrument or eraser
    • Patent number D589556
    • Issue date Mar 31, 2009
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Cap for writing instrument
    • Patent number D583869
    • Issue date Dec 30, 2008
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Container
    • Patent number 7,137,527
    • Issue date Nov 21, 2006
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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

    Writing instrument
    • Patent number D500519
    • Issue date Jan 4, 2005
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Cap for writing instrument
    • Patent number D495745
    • Issue date Sep 7, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D489407
    • Issue date May 4, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D488188
    • Issue date Apr 6, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument cap
    • Patent number D487776
    • Issue date Mar 23, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D487773
    • Issue date Mar 23, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D487775
    • Issue date Mar 23, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D487774
    • Issue date Mar 23, 2004
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • 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
  • Information Patent Grant

    Clip of writing instrument
    • Patent number D480758
    • Issue date Oct 14, 2003
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D463822
    • Issue date Oct 1, 2002
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Knock-type painting implement
    • Patent number D460485
    • Issue date Jul 16, 2002
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D460112
    • Issue date Jul 9, 2002
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D453187
    • Issue date Jan 29, 2002
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D452274
    • Issue date Dec 18, 2001
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies
  • Information Patent Grant

    Writing instrument
    • Patent number D450768
    • Issue date Nov 20, 2001
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • D19 - Office supplies

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20190344603
    • Publication date Nov 14, 2019
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20130300693
    • Publication date Nov 14, 2013
    • Kotobuki & Co , Ltd.
    • Tadashi KEDA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Stick-Shaped Material Propelling Container
    • Publication number 20070248397
    • Publication date Oct 25, 2007
    • Kotobuki & Co , Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing instrument
    • Publication number 20070154253
    • Publication date Jul 5, 2007
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Airtight cap structure
    • Publication number 20060027518
    • Publication date Feb 9, 2006
    • Kotobuki & Co., Ltd.
    • Tadashi Keda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Container
    • Publication number 20040232160
    • Publication date Nov 25, 2004
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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

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