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Toshimi Kamitani

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Patents Grantslast 30 patents

  • Information Patent Grant

    Fiber-bundled part for writing instruments, and pen tip and writing...
    • Patent number 12,187,068
    • Issue date Jan 7, 2025
    • Mitsubishi Pencil Company, Limited
    • Toshihiro Takahashi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 11,427,027
    • Issue date Aug 30, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yasuaki Ogiwara
    • 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

    Writing instrument
    • Patent number 11,148,460
    • Issue date Oct 19, 2021
    • Mitsubishi Pencil Company, Limited
    • Hitoshi Suzuki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 9,636,940
    • Issue date May 2, 2017
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 9,566,818
    • Issue date Feb 14, 2017
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 9,132,692
    • Issue date Sep 15, 2015
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Fuel container, fuel residual amount measurement device, and fuel r...
    • Patent number 8,820,569
    • Issue date Sep 2, 2014
    • Casio Computer Co., Ltd.
    • Yasunari Kabasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • 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

    Fuel container
    • Patent number 8,435,698
    • Issue date May 7, 2013
    • Casio Computer Co., Ltd.
    • Yugo Matsuda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel reservoir for fuel cell
    • Patent number 8,173,318
    • Issue date May 8, 2012
    • Mitsubishi Pencil Co., Ltd.
    • Takahiro Osada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel cartridge
    • Patent number 7,951,504
    • Issue date May 31, 2011
    • Mitsubishi Pencil Company, Limited
    • Kiyoshi Fujisawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Liquid cartridge
    • Patent number 7,909,901
    • Issue date Mar 22, 2011
    • Casio Computer Co., Ltd.
    • Yasunari Kabasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel-storing tank for fuel cell
    • Patent number 7,883,815
    • Issue date Feb 8, 2011
    • Mitsubishi Pencil Co., Ltd.
    • Yoshihisa Suda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel cartridge
    • Patent number 7,851,106
    • Issue date Dec 14, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Toshimi Kamitani
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Gas generation apparatus
    • Patent number 7,837,956
    • Issue date Nov 23, 2010
    • Mitsubishi Pencil Company, Limited
    • Toshimi Kamitani
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method of preventing leak of liquid fuel
    • Patent number 7,771,890
    • Issue date Aug 10, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Takahiro Osada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel reservoir for fuel cell
    • Patent number 7,727,657
    • Issue date Jun 1, 2010
    • Mitsubishi Pencil Co., Ltd.
    • Toshimi Kamitani
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel container
    • Patent number 7,687,178
    • Issue date Mar 30, 2010
    • Casio Computer Co., Ltd.
    • Yasunari Kabasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel reservoir for fuel cell
    • Patent number 7,615,305
    • Issue date Nov 10, 2009
    • Mitsubishi Pencil Co., Ltd.
    • Yoshihisa Suda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel reservoir for fuel cell
    • Patent number 7,579,096
    • Issue date Aug 25, 2009
    • Mitsubishi Pencil Co., Ltd.
    • Takahiro Osada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Ink-storing body for writing utensil
    • Patent number 7,063,475
    • Issue date Jun 20, 2006
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazuhisa Kirita
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    FIBER-BUNDLED PART FOR WRITING INSTRUMENTS, AND PEN TIP AND WRITING...
    • Publication number 20230406029
    • Publication date Dec 21, 2023
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshihiro TAKAHASHI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20220324250
    • Publication date Oct 13, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hirotake IZAWA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    PEN TIP AND WRITING TOOL EQUIPPED WITH THE PEN TIP
    • Publication number 20210316566
    • Publication date Oct 14, 2021
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshimi KAMITANI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20210237502
    • Publication date Aug 5, 2021
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yasuaki OGIWARA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20190193454
    • Publication date Jun 27, 2019
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Hitoshi SUZUKI
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20150367672
    • Publication date Dec 24, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshimi Kamitani
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20150298489
    • Publication date Oct 22, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshimi KAMITANI
    • 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

    WRITING INSTRUMENT
    • Publication number 20130064595
    • Publication date Mar 14, 2013
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshimi Kamitani
    • 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

    Liquid Cartridge
    • Publication number 20100230833
    • Publication date Sep 16, 2010
    • CASIO COMPUTER CO., LTD.
    • Yasunari Kabasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    GAS GENERATION APPARATUS
    • Publication number 20100172805
    • Publication date Jul 8, 2010
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Toshimi Kamitani
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    FUEL CARTRIDGE
    • Publication number 20100012568
    • Publication date Jan 21, 2010
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Kiyoshi Fujisawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    FUEL RESERVOIR FOR FUEL CELL
    • Publication number 20090274938
    • Publication date Nov 5, 2009
    • Mitsubishi Pencil Co., Ltd.
    • Takahiro OSADA
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    FUEL CONTAINER
    • Publication number 20090130531
    • Publication date May 21, 2009
    • Yugo Matsuda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel Reservoir for Fuel Cell
    • Publication number 20090023039
    • Publication date Jan 22, 2009
    • Mitsubishi Pencil Co., Ltd.
    • Takahiro Osada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel Cartridge
    • Publication number 20080311460
    • Publication date Dec 18, 2008
    • Mitsubishi Pencil Co., Ltd.
    • Toshimi Kamitani
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel Reservoir for Fuel Cell
    • Publication number 20080292915
    • Publication date Nov 27, 2008
    • Mitsubishi Pencil Co., Ltd.
    • Toshimi Kamitani
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel Reservoir for Fuel Cell
    • Publication number 20070298307
    • Publication date Dec 27, 2007
    • Mitsubishi Pencil Co., Ltd.
    • Yoshihisa Suda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel Reservoir for Fuel Cell
    • Publication number 20070259250
    • Publication date Nov 8, 2007
    • Mitsubishi Pencil Co., Ltd.
    • Takahiro Osada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel cell and fuel reservoir for fuel cell
    • Publication number 20070128492
    • Publication date Jun 7, 2007
    • Mitsubishi Pencil Co., Ltd.
    • Yoshihisa Suda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel container, fuel residual amount measurement device, and fuel r...
    • Publication number 20060151495
    • Publication date Jul 13, 2006
    • CASIO COMPUTER CO., LTD.
    • Yasunari Kabasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Fuel container
    • Publication number 20060093876
    • Publication date May 4, 2006
    • CASIO COMPUTER CO., LTD.
    • Yasunari Kabasawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Ink-storing body for writing utensil
    • Publication number 20040228673
    • Publication date Nov 18, 2004
    • Kazuhisa Kirita
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES