combined with means for propelling, projecting or retracting the writing unit

Patents Grantslast 30 patents

  • Information Patent Grant

    Retractable writing instrument

    • Patent number 11,912,058
    • Issue date Feb 27, 2024
    • Kabushiki Kaisha Pilot Corporation
    • Hisatoshi Hayakawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,738,589
    • Issue date Aug 29, 2023
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 11,179,963
    • Issue date Nov 23, 2021
    • The Pilot Ink Co., Ltd.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Commodity retracting device

    • Patent number 11,077,703
    • Issue date Aug 3, 2021
    • ARAKI F MACHINE INC.
    • Shinya Araki
    • F21 - LIGHTING
  • Information Patent Grant

    Detachable and retractable pen

    • Patent number 10,960,705
    • Issue date Mar 30, 2021
    • Hangzhou Jianyi Technology Co., Ltd.
    • Chengpeng Yu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermochromic writing instrument having a separable eraser

    • Patent number 10,940,713
    • Issue date Mar 9, 2021
    • Heemangnote Co., Ltd.
    • Seung Jae Lim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pen for writing and drawing purposes

    • Patent number 10,603,949
    • Issue date Mar 31, 2020
    • Faber-Castell AG
    • Ralf Lehnhardt
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable writing instrument

    • Patent number 10,538,124
    • Issue date Jan 21, 2020
    • Kabushiki Kaisha Pilot Corporation
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 10,493,791
    • Issue date Dec 3, 2019
    • The Pilot Ink Co., Ltd.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Lever-actuated pen

    • Patent number 10,118,435
    • Issue date Nov 6, 2018
    • The Berea Hardwoods Co., Inc.
    • Joseph M. Csokmay
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Multicolor writing instrument with automatic return function

    • Patent number 10,052,906
    • Issue date Aug 21, 2018
    • Kwang Ju Cheon
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Erasing implement and writing implement provided with erasing imple...

    • Patent number 9,994,066
    • Issue date Jun 12, 2018
    • Mitsubishi Pencil Company, Limited
    • Sakae Hayao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 9,844,973
    • Issue date Dec 19, 2017
    • Kabushiki Kaisha Pilot Corporation
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Attachment structure for clip

    • Patent number 9,784,294
    • Issue date Oct 10, 2017
    • Pentel Kabushiki Kaisha
    • Hideo Uchida
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Stylus

    • Patent number 9,594,441
    • Issue date Mar 14, 2017
    • Quanta Computer Inc.
    • Yun-Cheng Liu
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Slide type writing tool having device for preventing dryness

    • Patent number 9,340,060
    • Issue date May 17, 2016
    • Kwang Ju Cheon
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument

    • Patent number 9,108,456
    • Issue date Aug 18, 2015
    • The Pilot Ink Co., Ltd.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing device having writing tip and stylus tip

    • Patent number 9,092,077
    • Issue date Jul 28, 2015
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Electrically conductive touch pen

    • Patent number 8,847,930
    • Issue date Sep 30, 2014
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Knock-type writing instrument

    • Patent number 8,434,957
    • Issue date May 7, 2013
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Stick-shaped material propelling container

    • Patent number 8,348,535
    • Issue date Jan 8, 2013
    • Kotobuki & Co., Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable nib writing instrument

    • Patent number 8,336,583
    • Issue date Dec 25, 2012
    • Sanford, L.P.
    • Barry H. Jacobs
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Travel multiplier mechanisms for writing instruments

    • Patent number 8,147,158
    • Issue date Apr 3, 2012
    • Sanford, L.P.
    • Nicholas M. Nanos
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with retractable tip

    • Patent number 8,096,722
    • Issue date Jan 17, 2012
    • Societe BIC
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Travel multiplier mechanisms for writing instruments

    • Patent number 7,891,897
    • Issue date Feb 22, 2011
    • Sanford, L.P.
    • Nicholas M. Nanos
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • 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

    Letter opening stylus and writing instrument with pocket clip

    • Patent number 7,607,849
    • Issue date Oct 27, 2009
    • Fred Barker
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Safety knock-type writing instrument

    • Patent number 7,581,896
    • Issue date Sep 1, 2009
    • Morris Corporation
    • Hyun-son Yoon
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Letter opening stylus and writing instrument with pocket clip

    • Patent number 7,416,359
    • Issue date Aug 26, 2008
    • Barker Fred
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with letter opening pocket clip

    • Patent number 7,287,925
    • Issue date Oct 30, 2007
    • Fred Barker
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20220080767
    • Publication date Mar 17, 2022
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable Writing Instrument

    • Publication number 20220072894
    • Publication date Mar 10, 2022
    • Kabushiki Kaisha Pilot Corporation (Also Trading as Pilot Corporation)
    • Hisatoshi Hayakawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COMMODITY RETRACTING DEVICE

    • Publication number 20210078354
    • Publication date Mar 18, 2021
    • ARAKI F MACHINE INC.
    • Shinya ARAKI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20200047540
    • Publication date Feb 13, 2020
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    WRITING INSTRUMENT WITH SELF-BLOCKING ASSEMBLY

    • Publication number 20190047319
    • Publication date Feb 14, 2019
    • SOCIETE BIC
    • Samuel MALINVERNI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pen For Writing And Painting Purposes

    • Publication number 20190039405
    • Publication date Feb 7, 2019
    • Faber-Castell AG
    • RALF LEHNHARDT
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    RETRACTABLE WRITING INSTRUMENT

    • Publication number 20180361781
    • Publication date Dec 20, 2018
    • Yoshihiro ITO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20180086133
    • Publication date Mar 29, 2018
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    MULTICOLOR WRITING INSTRUMENT WITH AUTOMATIC RETURN FUNCTION

    • Publication number 20170246903
    • Publication date Aug 31, 2017
    • Kwang Ju CHEON
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    STRUCTURE OF WRITING INSTRUMENT

    • Publication number 20170008331
    • Publication date Jan 12, 2017
    • Tang-Ning Kuo
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    LEVER-ACTUATED PEN

    • Publication number 20160375716
    • Publication date Dec 29, 2016
    • The Berea Hardwoods Co., Inc.
    • Joseph M. Csokmay
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ATTACHMENT STRUCTURE FOR CLIP

    • Publication number 20160010674
    • Publication date Jan 14, 2016
    • Pentel Kabushiki Kaisha
    • Hideo UCHIDA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20150336420
    • Publication date Nov 26, 2015
    • THE PILOT INK CO., LTD.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ELECTRICALLY CONDUCTIVE TOUCH PEN

    • Publication number 20130038579
    • Publication date Feb 14, 2013
    • Wimo Labs LLC
    • Geoffrey Arthur Coleridge Boyd
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT

    • Publication number 20120308290
    • Publication date Dec 6, 2012
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Support for a Plurality of Hand-Held Instruments

    • Publication number 20120195673
    • Publication date Aug 2, 2012
    • Matthew L. Brooks
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT WITH MAGNETIC REPULSION

    • Publication number 20120057920
    • Publication date Mar 8, 2012
    • SOCIETE BIC
    • Frank Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT WITH A RETRACTABLE CLIP

    • Publication number 20110318083
    • Publication date Dec 29, 2011
    • Morris Corporation
    • Hyun-Son Yoon
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    TRAVEL MULTIPLIER MECHANISMS FOR WRITING INSTRUMENTS

    • Publication number 20110135378
    • Publication date Jun 9, 2011
    • SANFORD, L.P.
    • Nicholas M. Nanos
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    KNOCK-TYPE WRITING INSTRUMENT

    • Publication number 20110123250
    • Publication date May 26, 2011
    • Kotobuki & Co , Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    RETRACTABLE PUSH BUTTON PEN

    • Publication number 20110103875
    • Publication date May 5, 2011
    • Shih-Yuan HUANG
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Support for Hand-Held Instrument

    • Publication number 20110089307
    • Publication date Apr 21, 2011
    • Matthew L. Brooks
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT FITTED WITH A FILING SLEEVE, WHICH ACTS AS A PLU...

    • Publication number 20110027001
    • Publication date Feb 3, 2011
    • John O'HERN
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable Nib Writing Instrument

    • Publication number 20090097906
    • Publication date Apr 16, 2009
    • SANFORD, L.P.
    • Barry H. Jacobs
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Stick-Shaped Material Propelling Container

    • Publication number 20080247804
    • Publication date Oct 9, 2008
    • Kotobuki & Co , Ltd.
    • Hidehei Kageyama
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    LETTER OPENING STYLUS AND WRITING INSTRUMENT WITH POCKET CLIP

    • Publication number 20080219749
    • Publication date Sep 11, 2008
    • Fred Barker
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Safety Knock-Type Writing Instrument

    • Publication number 20080107469
    • Publication date May 8, 2008
    • Morris Corporation
    • Hyun-son Yoon
    • 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 with Retractable Tip

    • Publication number 20070223986
    • Publication date Sep 27, 2007
    • Franck Rolion
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Travel multiplier mechanisms for writing instruments

    • Publication number 20070020023
    • Publication date Jan 25, 2007
    • Nicholas M. Nanos
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES