TREA

Eraser or rubber material

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  • B43L19/0025
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BPERFORMING OPERATIONS TRANSPORTING B43Writing accessories B43LARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING B43L19/00Erasers, rubbers, or erasing devices Holders therefor

Current Industry

B43L19/0025Eraser or rubber material
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Writing instrument for erasing handwritten content
    • Patent number 12,138,951
    • Issue date Nov 12, 2024
    • CROWN BALLPEN CO., LTD.
    • Young Saeng Park
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser
    • Patent number 12,103,329
    • Issue date Oct 1, 2024
    • STAEDTLER SE
    • Tanja Maderer
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composition
    • Patent number 11,795,318
    • Issue date Oct 24, 2023
    • DELTA OF SWEDEN AB
    • Staffan Thuresson
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Erasing tool
    • Patent number 11,787,225
    • Issue date Oct 17, 2023
    • Mitsubishi Pencil Company, Limited
    • Ryosuke Matsushima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser tool containing polyetheramine
    • Patent number 11,787,226
    • Issue date Oct 17, 2023
    • Societe BIC
    • Guillaume Caffier
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Two part silicone moldable eraser
    • Patent number 11,746,235
    • Issue date Sep 5, 2023
    • Crayola LLC
    • Michael G Moskal
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Eraser
    • Patent number 11,241,907
    • Issue date Feb 8, 2022
    • STAEDTLER Mars GMBH & CO. KG
    • Andreas Thies
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Erasing member and erasing tool using the same
    • Patent number 11,207,913
    • Issue date Dec 28, 2021
    • Mitsubishi Pencil Company, Limited
    • Satoru Banzai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Composition
    • Patent number 10,889,711
    • Issue date Jan 12, 2021
    • DELTA OF SWEDEN AB
    • Staffan Thuresson
    • A63 - SPORTS GAMES AMUSEMENTS
  • 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

    Thermochromic color-memory composition and thermochromic color-memo...
    • Patent number 9,695,329
    • Issue date Jul 4, 2017
    • The Pilot Ink Co., Ltd.
    • Yoshiaki Ono
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Friction body, writing instrument and writing instrument set
    • Patent number 9,592,702
    • Issue date Mar 14, 2017
    • The Pilot Ink Co., Ltd.
    • Takashi Wase
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Input device for touch-sensitive, capacitive displays
    • Patent number 9,575,605
    • Issue date Feb 21, 2017
    • STAEDTLER MARS GMBH & CO. KG
    • Rilke Dix
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument with erasing member
    • Patent number 9,409,438
    • Issue date Aug 9, 2016
    • Mitsubishi Pencil Company, Limited
    • Hiroshi Ohtsuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Plastic eraser, plastic eraser composite body, and method for produ...
    • Patent number 9,079,450
    • Issue date Jul 14, 2015
    • Sakura Color Products Corporation
    • Shinji Tsujio
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Thermosensitive decolorable ink composition
    • Patent number 8,616,797
    • Issue date Dec 31, 2013
    • Mitsubishi Pencil Company, Ltd.
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Friction body, writing instrument and writing instrument set
    • Patent number 8,282,299
    • Issue date Oct 9, 2012
    • The Pilot Ink Co., Ltd.
    • Yoshihiro Ito
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Layered eraser
    • Patent number 8,214,969
    • Issue date Jul 10, 2012
    • Gavin Curtis
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Pencil sharpener with eraser
    • Patent number 7,886,395
    • Issue date Feb 15, 2011
    • Acme United Corporation
    • Stuart David Farnworth
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Retractable eraser with bristles
    • Patent number 7,861,355
    • Issue date Jan 4, 2011
    • Acme United Corporation
    • Stuart David Farnworth
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Elastomer composition, method for producing the same, and eraser us...
    • Patent number 7,732,523
    • Issue date Jun 8, 2010
    • Seed Company Ltd.
    • Kazuki Morimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Elastomer composition, method for producing the same, and eraser us...
    • Patent number 7,732,524
    • Issue date Jun 8, 2010
    • Seed Company Ltd.
    • Kazuki Morimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser dispenser
    • Patent number 7,373,691
    • Issue date May 20, 2008
    • Kotobuki & Co., Ltd.
    • Tadashi Yamamoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser
    • Patent number 7,341,635
    • Issue date Mar 11, 2008
    • Sakura Color Products Corporation
    • Shinichiro Hayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser
    • Patent number 7,316,841
    • Issue date Jan 8, 2008
    • Sakura Color Products Corporation
    • Shinichiro Hayashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Rubber eraser and process for manufacturing it
    • Patent number 5,521,239
    • Issue date May 28, 1996
    • J.S. Staedtler GmbH & Co.
    • Werner Handl
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser
    • Patent number 4,796,328
    • Issue date Jan 10, 1989
    • Horie Sangyo Kabushiki Kaisha
    • Fumio Horie
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser with thermoplastic binder
    • Patent number 4,578,420
    • Issue date Mar 25, 1986
    • Staedtler; J. S.
    • Werner Handl
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Foamed rubber erasers and process for the production thereof
    • Patent number 4,485,520
    • Issue date Dec 4, 1984
    • Firma J. S. Staedtler
    • Werner Handl
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Eraser and process for its manufacture
    • Patent number 4,393,022
    • Issue date Jul 12, 1983
    • Staedtler; J. S.
    • Werner Handl
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    ECO-FRIENDLY ERASER USING EPDM RUBBER
    • Publication number 20240384084
    • Publication date Nov 21, 2024
    • Yeungnam University Industry-Academic Cooperation Foundation
    • Seong Cheol KIM
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    FRICTION BODY
    • Publication number 20240066911
    • Publication date Feb 29, 2024
    • SOCIETE BIC
    • Myriam OGER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    FRICTION BODY WITH ANISOTROPIC THERMAL CONDUCTIVITY
    • Publication number 20240051331
    • Publication date Feb 15, 2024
    • Bic Violex Single Member S.A.
    • Nikolaos CHATZIGRIGORIOU
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERASER
    • Publication number 20220348036
    • Publication date Nov 3, 2022
    • STAEDTLER MARS GMBH & CO. KG
    • Tanja MADERER
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ERASER TOOL CONTAINING POLYETHERAMINE
    • Publication number 20210362536
    • Publication date Nov 25, 2021
    • SOCIETE BIC
    • Guillaume CAFFIER
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    COMPOSITION
    • Publication number 20210189114
    • Publication date Jun 24, 2021
    • Delta of Sweden AB
    • Staffan THURESSON
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TWO PART SILICONE MOLDABLE ERASER
    • Publication number 20200399472
    • Publication date Dec 24, 2020
    • Crayola LLC
    • Michael G. MOSKAL
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERASER
    • Publication number 20200369869
    • Publication date Nov 26, 2020
    • SAKURA COLOR PRODUCTS CORPORATION
    • Shinji TSUJIO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERASER
    • Publication number 20200180351
    • Publication date Jun 11, 2020
    • STAEDTLER Mars GmbH & Co. KG
    • Andreas THIES
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERASING TOOL
    • Publication number 20200101787
    • Publication date Apr 2, 2020
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Ryosuke MATSUSHIMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERASING IMPLEMENT AND WRITING IMPLEMENT PROVIDED WITH ERASING IMPLE...
    • Publication number 20150033499
    • Publication date Feb 5, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Sakae Hayao
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT WITH ERASING MEMBER
    • Publication number 20140331448
    • Publication date Nov 13, 2014
    • Hiroshi Ohtsuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    REVERSIBLY THERMOCHROMIC COMPOSITION
    • Publication number 20140291585
    • Publication date Oct 2, 2014
    • Kabushiki Kaisha Pilot Corporation
    • Taro Tozuka
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ERASING MEMBER AND ERASING TOOL USING THE SAME
    • Publication number 20140150203
    • Publication date Jun 5, 2014
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Satoru Banzai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PLASTIC ERASER, PLASTIC ERASER COMPOSITE BODY, AND METHOD FOR PRODU...
    • Publication number 20140082885
    • Publication date Mar 27, 2014
    • SAKURA COLOR PRODUCTS CORPORATION
    • Shinji Tsujio
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Eraser Bracelet
    • Publication number 20130239362
    • Publication date Sep 19, 2013
    • Bryan Ricci
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    THERMOSENSITIVE DECOLORABLE INK COMPOSITION
    • Publication number 20120014740
    • Publication date Jan 19, 2012
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Eraselet - Bracelet Eraser
    • Publication number 20110247171
    • Publication date Oct 13, 2011
    • THE ERASELET COMPANY LLC
    • Bryan Ricci
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ABRADANT-CONTAINING ERASER
    • Publication number 20110124778
    • Publication date May 26, 2011
    • SEED COMPANY LTD.
    • Kazuki Morimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT AND WRITING INSTRUMENT SET
    • Publication number 20100098475
    • Publication date Apr 22, 2010
    • THE PILOT INK CO., LTD.
    • Katsuyuki Fujita
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Eraser
    • Publication number 20090209686
    • Publication date Aug 20, 2009
    • Tombow Pencil Co., Ltd.
    • Noboru Yamada
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    ELASTOMER COMPOSITION, METHOD FOR PRODUCING THE SAME, AND ERASER US...
    • Publication number 20090124756
    • Publication date May 14, 2009
    • SEED COMPANY LTD.
    • Kazuki Morimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Pencil sharpener with eraser
    • Publication number 20090067912
    • Publication date Mar 12, 2009
    • Stuart David Farnworth
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Retractable eraser with bristles
    • Publication number 20090064453
    • Publication date Mar 12, 2009
    • Stuart David Farnworth
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Layered Eraser
    • Publication number 20090031527
    • Publication date Feb 5, 2009
    • Gavin Curtis
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    FRICTION BODY, WRITING INSTRUMENT AND WRITING INSTRUMENT SET
    • Publication number 20080292385
    • Publication date Nov 27, 2008
    • THE PILOT INK CO., LTD.
    • Takashi WASE
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Elastomer composition, method for producing the same, and eraser us...
    • Publication number 20080182924
    • Publication date Jul 31, 2008
    • SEED COMPANY LTD.
    • Kazuki Morimoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    FRICTION BODY, WRITING INSTRUMENT AND WRITING INSTRUMENT SET
    • Publication number 20080124164
    • Publication date May 29, 2008
    • THE PILOT INK CO., LTD.
    • Yoshihiro ITO
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Portable Electric Testing Equipment
    • Publication number 20070290673
    • Publication date Dec 20, 2007
    • Jun Seok Kim
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    Friction body, writing instrument and writing instrument set
    • Publication number 20070189836
    • Publication date Aug 16, 2007
    • THE PILOT INK CO., LTD.
    • Kuniyuki Senga
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES