TREA

with lead sections or lead cartridges

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Industry

  • CPC
  • B43K21/003
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43KIMPLEMENTS FOR WRITING OR DRAWING B43K21/00Propelling pencils

Current Industry

B43K21/003with lead sections or lead cartridges
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number 11,993,097
    • Issue date May 28, 2024
    • Kabushiki Kaisha Pilot Corporation
    • Yusuke Sanada
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-function writing instrument comprising a lead-holder system
    • Patent number 11,413,902
    • Issue date Aug 16, 2022
    • Societe BIC
    • Etienne Michenaud
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-function writing instrument comprising a leadholder system
    • Patent number 11,230,137
    • Issue date Jan 25, 2022
    • Societe BIC
    • Arnaud Bez
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Feeding pencil
    • Patent number 10,967,667
    • Issue date Apr 6, 2021
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil unit and writing utensil with the mechanical penc...
    • Patent number 10,507,685
    • Issue date Dec 17, 2019
    • Zebra Co., Ltd.
    • Yukihiro Tsukioka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Feeding pencil
    • Patent number 10,239,343
    • Issue date Mar 26, 2019
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Color pencil lead
    • Patent number 9,856,387
    • Issue date Jan 2, 2018
    • Mitsubishi Pencil Company, Limited
    • Satoru Banzai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 9,358,828
    • Issue date Jun 7, 2016
    • Mitsubishi Pencil Company, Limited
    • Hirotake Izawa
    • 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

    Writing instrument with eraser protected by a sleeve
    • Patent number 8,915,663
    • Issue date Dec 23, 2014
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement comprising a slide-on end member
    • Patent number 8,523,471
    • Issue date Sep 3, 2013
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Side knock type mechanical pencil
    • Patent number 8,480,322
    • Issue date Jul 9, 2013
    • Yuanhong Wang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lead cartridge and mechanical pencil with built-in lead cartridge
    • Patent number 8,444,336
    • Issue date May 21, 2013
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • 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 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 7,806,615
    • 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

    Automatic pencil
    • Patent number 7,658,567
    • Issue date Feb 9, 2010
    • Rong-Lin Sheu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic mechanical pencil and method of assembly thereof
    • Patent number 7,237,972
    • Issue date Jul 3, 2007
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 7,207,738
    • Issue date Apr 24, 2007
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable tip mechanical pencil assembly
    • Patent number 6,979,142
    • Issue date Dec 27, 2005
    • Erik Vaclav Chmelar
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical crayon pen with an internal cartridge for multiple crayo...
    • Patent number 6,899,483
    • Issue date May 31, 2005
    • Kun-Chuan Ho
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Tubular yielding holder for various size pens
    • Patent number 6,202,862
    • Issue date Mar 20, 2001
    • David Paul Acquaviva
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic writing apparatus for segmental writing elements with caps
    • Patent number 6,161,976
    • Issue date Dec 19, 2000
    • Pioneer Industrial Corporation
    • Bao-Shen Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Building blocks type writing instrument
    • Patent number 6,149,330
    • Issue date Nov 21, 2000
    • Pioneer Industrial Corporation
    • Cheng-hua Chuang
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multi-purpose writing instrument
    • Patent number 5,791,798
    • Issue date Aug 11, 1998
    • Li Hua Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable, refillable, sharpen-free pencil assembly
    • Patent number 5,292,202
    • Issue date Mar 8, 1994
    • Pencell Co., Ltd.
    • Robert Lee
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical writing apparatus with a mechanism for retracting presha...
    • Patent number 5,221,151
    • Issue date Jun 22, 1993
    • Kuo; Jun-Lian
    • Jun-Liang Kuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rotary knock type mechanical pencil
    • Patent number 5,022,772
    • Issue date Jun 11, 1991
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20220410614
    • Publication date Dec 29, 2022
    • KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION )
    • Yusuke SANADA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ELECTRONIC MECHANICAL PENCIL
    • Publication number 20220274438
    • Publication date Sep 1, 2022
    • NEOLAB CONVERGENCE, INC.
    • Bong Ki PARK
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTI-FUNCTION WRITING INSTRUMENT COMPRISING A LEAD-HOLDER SYSTEM
    • Publication number 20210078353
    • Publication date Mar 18, 2021
    • SOCIETE BIC
    • Etienne MICHENAUD
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTI-FUNCTION WRITING INSTRUMENT COMPRISING A LEADHOLDER SYSTEM
    • Publication number 20200398607
    • Publication date Dec 24, 2020
    • SOCIETE BIC
    • Arnaud BEZ
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20190375230
    • Publication date Dec 12, 2019
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL HAVING A REFILL LEAD CONTAINER
    • Publication number 20180093524
    • Publication date Apr 5, 2018
    • Ryo SHIRANE
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    FEEDING PENCIL
    • Publication number 20170151824
    • Publication date Jun 1, 2017
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Color Pencil Lead
    • Publication number 20160362574
    • Publication date Dec 15, 2016
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Satoru BANZAI
    • 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

    Writing Instrument With Removable Cartridge of Writing Material
    • Publication number 20120003026
    • Publication date Jan 5, 2012
    • Raymond Geddes & Company, Inc.
    • William Thomas Geddes
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    SIDE KNOCK TYPE MECHANICAL PENCIL
    • Publication number 20110229245
    • Publication date Sep 22, 2011
    • Yuanhong WANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT COMPRISING A SLIDE-ON END MEMBER
    • Publication number 20110182649
    • Publication date Jul 28, 2011
    • SOCIETE BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    UNIVERSAL PENCIL MECHANISM
    • Publication number 20110103874
    • Publication date May 5, 2011
    • George Reekie
    • 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

    WRITING INSTRUMENT WITH ERASER PROTECTED BY A SLEEVE
    • Publication number 20100316431
    • Publication date Dec 16, 2010
    • SOCIETE BIC
    • Franck Rolion
    • 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

    LEAD CARTRIDGE AND MECHANICAL PENCIL WITH BUILT-IN LEAD CARTRIDGE
    • Publication number 20100209173
    • Publication date Aug 19, 2010
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    AUTOMATIC PENCIL
    • Publication number 20090257813
    • Publication date Oct 15, 2009
    • Rong-Lin Sheu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil with rotating cylinder
    • Publication number 20080187388
    • Publication date Aug 7, 2008
    • Wil Adams
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Lead Cartridge and Writing Tool into which Lead Cartridge is to be...
    • Publication number 20070217858
    • Publication date Sep 20, 2007
    • Kotobuki & Co, Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERGONOMIC DEVICE
    • Publication number 20070196158
    • Publication date Aug 23, 2007
    • PACIFIC WRITING INSTRUMENTS, INC.
    • Colin Roche
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Automatic mechanical pencil and method of assembly thereof
    • Publication number 20070025801
    • Publication date Feb 1, 2007
    • MICRO CO., LTD.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing instrument
    • Publication number 20070014622
    • Publication date Jan 18, 2007
    • MICRO CO., LTD.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL CRAYON PEN WITH AN INTERNAL CARTRIDGE FOR MULTIPLE CRAYO...
    • Publication number 20050135862
    • Publication date Jun 23, 2005
    • Kun-Chuan Ho
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Article for storing and dispensing multiple units of cosmetic produ...
    • Publication number 20030000960
    • Publication date Jan 2, 2003
    • Revlon Consumer Products Corporation
    • Cynthia Cirlin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Article for storing and dispensing multiple units of cosmetic produ...
    • Publication number 20010036383
    • Publication date Nov 1, 2001
    • Cynthia Cirlin
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES