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with sliding tubelike writing-core guide

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  • B43K21/027
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Parent Industries

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

Current Industry

B43K21/027with sliding tubelike writing-core guide
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil having lead breakage-prevention mechanism
    • Patent number 11,648,796
    • Issue date May 16, 2023
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument side-knock mechanism
    • Patent number 10,843,502
    • Issue date Nov 24, 2020
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil with a side button and an eraser dispenser and a...
    • Patent number 10,668,766
    • Issue date Jun 2, 2020
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument side-knock mechanism
    • Patent number 10,525,762
    • Issue date Jan 7, 2020
    • Sanford L.P.
    • Kenneth Swanick
    • 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

    Mechanical pencil
    • Patent number 10,500,891
    • Issue date Dec 10, 2019
    • Kabushiki Kaisha Pilot Corporation
    • Takumi Kajiwara
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Anti-rotation extendable eraser mechanism
    • Patent number 10,272,714
    • Issue date Apr 30, 2019
    • Sanford L.P.
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing utensil
    • Patent number 9,573,410
    • Issue date Feb 21, 2017
    • Zebra Co., Ltd.
    • Yoshitoshi Aizawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Marking implement
    • Patent number 9,428,001
    • Issue date Aug 30, 2016
    • F.I.L.A.—FABRICA ITALIANA LAPIS ED AFFINI S.P.A.
    • Massimo Candela
    • 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

    Mechanical pencil having lead-rotating mechanism
    • Patent number 9,180,722
    • Issue date Nov 10, 2015
    • Micro Co., Ltd.
    • Tomohiro Hosoya
    • 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

    Rod-like body feeding container with compound screw mechanism
    • Patent number 7,736,079
    • Issue date Jun 15, 2010
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 7,588,383
    • Issue date Sep 15, 2009
    • Sakura Color Products Corporation
    • Shunsuke Hokimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with a lateral button
    • Patent number 7,452,147
    • Issue date Nov 18, 2008
    • Societe BIC
    • Franck Rolion
    • 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 pencil
    • Patent number 6,705,789
    • Issue date Mar 16, 2004
    • Pentel Kabushiki Kaisha
    • Shigeki Maruyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing device with at least two writing elements
    • Patent number 6,315,477
    • Issue date Nov 13, 2001
    • Gebr. Schmidt Fabrik fuer Feinmechanick
    • Martin Kuhn
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Refillable soft lead pencil
    • Patent number 6,149,331
    • Issue date Nov 21, 2000
    • A.W. Faber-Castell Unternehmensverwaltung GmbH & Co.
    • Juergen Raps
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Slider for mechanical pencil
    • Patent number 5,733,057
    • Issue date Mar 31, 1998
    • Kotobuki & Co., Ltd.
    • Yoshio Noguchi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Cartridge for automatic pencil
    • Patent number 5,509,743
    • Issue date Apr 23, 1996
    • Yu Hao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil with improved slider mechanism
    • Patent number 5,462,376
    • Issue date Oct 31, 1995
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Automatic mechanical pencil
    • Patent number 5,236,271
    • Issue date Aug 17, 1993
    • Micro Co., Ltd.
    • Gouji Sakaoka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil lead protection pipe with protuberance
    • Patent number 5,085,534
    • Issue date Feb 4, 1992
    • Pentel Kabushiki Kaisha
    • Kamakura Kenichi
    • 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 HAVING LEAD BREAKAGE-PREVENTION MECHANISM
    • Publication number 20220363086
    • Publication date Nov 17, 2022
    • Micro Co., Ltd.
    • Hiroyuki Kanari
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument Side-Knock Mechanism
    • Publication number 20200094611
    • Publication date Mar 26, 2020
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL WITH SIDE BUTTON AND ERASER DISPENSER AND METHOD...
    • Publication number 20190047320
    • Publication date Feb 14, 2019
    • SOCIETE BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument Side-Knock Mechanism
    • Publication number 20180154680
    • Publication date Jun 7, 2018
    • Kenneth Swanick
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MARKING IMPLEMENT
    • Publication number 20140369735
    • Publication date Dec 18, 2014
    • MASSIMO CANDELA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL HAVING LEAD-ROTATING MECHANISM
    • Publication number 20140079462
    • Publication date Mar 20, 2014
    • Tomohiro HOSOYA
    • 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 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 20090028626
    • Publication date Jan 29, 2009
    • Shunsuke Hokimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Writing Instrument With a Lateral Button
    • Publication number 20070231048
    • Publication date Oct 4, 2007
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil comprising a retractable lead guide
    • Publication number 20070172299
    • Publication date Jul 26, 2007
    • Rolion Franck
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil
    • Publication number 20070134046
    • Publication date Jun 14, 2007
    • Franck Rolion
    • 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

    Rod-like body feeding container
    • Publication number 20060222439
    • Publication date Oct 5, 2006
    • Tokiwa Corporation
    • Yoshikazu Tani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil
    • Publication number 20020154934
    • Publication date Oct 24, 2002
    • Shigeki Maruyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Mechanical pencil
    • Publication number 20010014248
    • Publication date Aug 16, 2001
    • Takahiko Suzuki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES