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Tooru Nakajima

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  • Fujioka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing implement
    • Patent number 11,472,221
    • Issue date Oct 18, 2022
    • Mitsubishi Pencil Company, Limited
    • Tooru Nakajima
    • 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

    Ballpoint pen
    • Patent number 10,576,774
    • Issue date Mar 3, 2020
    • Mitsubishi Pencil Company, Limited
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing instrument
    • Patent number 10,507,684
    • Issue date Dec 17, 2019
    • Mitsubishi Pencil Company, Limited
    • Tooru Nakajima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 10,336,129
    • Issue date Jul 2, 2019
    • Mitsubishi Pencil Company, Limited
    • Tooru Nakajima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Writing implement
    • Patent number 9,889,701
    • Issue date Feb 13, 2018
    • Mitsubishi Pencil Company, Limited
    • Takeo Fukumoto
    • 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

    Valved applicator
    • Patent number 8,944,716
    • Issue date Feb 3, 2015
    • Mitsubishi Pencil Company, Limited
    • Yukinori Sawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20220194120
    • Publication date Jun 23, 2022
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Tooru NAKAJIMA
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING INSTRUMENT
    • Publication number 20180370274
    • Publication date Dec 27, 2018
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Tooru Nakajima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    BALLPOINT PEN
    • Publication number 20180319200
    • Publication date Nov 8, 2018
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takeo Fukumoto
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20170144472
    • Publication date May 25, 2017
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Tooru Nakajima
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20170028769
    • Publication date Feb 2, 2017
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Takeo Fukumoto
    • 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

    VALVED APPLICATOR
    • Publication number 20120141189
    • Publication date Jun 7, 2012
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yukinori Sawa
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES