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Writing-core gripping means

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  • CPC
  • B43K21/22
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Parent Industries

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

Current Industry

B43K21/22Writing-core gripping means
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical pencil
    • Patent number 12,151,503
    • Issue date Nov 26, 2024
    • WENZHOU TIANJIAO PEN INDUSTRIAL CO., LTD.
    • Aiguo Han
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 11,884,093
    • Issue date Jan 30, 2024
    • Mitsubishi Pencil Company, Limited
    • Takamasa Fukuda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    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

    Mechanical pencil
    • Patent number 11,390,109
    • Issue date Jul 19, 2022
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Adjustment pen
    • Patent number 10,983,374
    • Issue date Apr 20, 2021
    • BOE Technology Group Co., Ltd.
    • Lei Wang
    • G02 - OPTICS
  • Information Patent Grant

    Three-way marker for sewing
    • Patent number 10,926,575
    • Issue date Feb 23, 2021
    • DPG USA INC.
    • Nikhil Gupta
    • 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

    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

    Stylus
    • Patent number 10,540,024
    • Issue date Jan 21, 2020
    • Wacom Co., Ltd.
    • Mamoru Ogata
    • G06 - COMPUTING CALCULATING COUNTING
  • 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

    Writing instrument
    • Patent number 10,343,446
    • Issue date Jul 9, 2019
    • Kotobuki & Co., Ltd.
    • Takeshi Wakayama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 10,293,632
    • Issue date May 21, 2019
    • Kotobuki & Co., Ltd.
    • Takeshi Wakayama
    • 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

    Mechanical pencil
    • Patent number 9,834,032
    • Issue date Dec 5, 2017
    • Mitsubishi Pencil Company, Limited
    • Kei Oomoto
    • 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

    Mechanical pencil
    • Patent number 9,669,649
    • Issue date Jun 6, 2017
    • Mitsubishi Pencil Company, Limited
    • Hirotake Izawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    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

    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

    Lead holder having a slidable push member
    • Patent number 9,340,061
    • Issue date May 17, 2016
    • Societe BIC
    • Franck Rolion
    • 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 8,920,057
    • Issue date Dec 30, 2014
    • Kotobuki & Co., Ltd.
    • Yoshio Noguchi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Non-consumable writing implement with consumable tip having constan...
    • Patent number 8,794,857
    • Issue date Aug 5, 2014
    • Dean Handrinos
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20240383270
    • Publication date Nov 21, 2024
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takamasa Fukuda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20240100877
    • Publication date Mar 28, 2024
    • WENZHOU TIANJIAO PEN INDUSTRIAL CO., LTD.
    • Aiguo HAN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    MECHANICAL PENCIL
    • Publication number 20220184995
    • Publication date Jun 16, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takamasa Fukuda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20220144008
    • Publication date May 12, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takamasa Fukuda
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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 INSTRUMENT AND METHOD FOR MANUFACTURING WRITING INSTRUMENT
    • Publication number 20210162797
    • Publication date Jun 3, 2021
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • 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

    MECHANICAL PENCIL
    • Publication number 20200391539
    • Publication date Dec 17, 2020
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT AND METHOD FOR MANUFACTURING WRITING INSTRUMENT
    • Publication number 20200361230
    • Publication date Nov 19, 2020
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Adjustment Pen
    • Publication number 20200319483
    • Publication date Oct 8, 2020
    • BOE TECHNOLOGY GROUP CO., LTD.
    • Lei Wang
    • 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

    MULTI-PENCIL TYPE COSMETIC CONTAINER
    • Publication number 20200069030
    • Publication date Mar 5, 2020
    • C&C INTERNATIONAL CO., LTD.
    • Eun-chul BAE
    • 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 20190375230
    • Publication date Dec 12, 2019
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    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

    Three-Way Marker for Sewing
    • Publication number 20190283487
    • Publication date Sep 19, 2019
    • DPG USA Inc.
    • Nikhil Gupta
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    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

    STYLUS
    • Publication number 20180299977
    • Publication date Oct 18, 2018
    • WACOM CO., LTD.
    • Mamoru Ogata
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20180250977
    • Publication date Sep 6, 2018
    • Kotobuki & Co., Ltd.
    • Takeshi WAKAYAMA
    • 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

    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

    MECHANICAL PENCIL
    • Publication number 20150336419
    • Publication date Nov 26, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kei OOMOTO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    LEAD HOLDER HAVING A SLIDABLE PUSH MEMBER
    • Publication number 20150043956
    • Publication date Feb 12, 2015
    • SOCIETE BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MECHANICAL PENCIL
    • Publication number 20150023714
    • Publication date Jan 22, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hirotake Izawa
    • 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