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Saki Hanatani

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  • Fujioka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ballpoint pen
    • Patent number 9,533,528
    • Issue date Jan 3, 2017
    • Mitsubishi Pencil Company, Limited
    • Yoshihisa Osano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ink composition for aqueous ballpoint pen
    • Patent number 9,416,286
    • Issue date Aug 16, 2016
    • Mitsubishi Pencil Company, Limited
    • Yoji Takeuchi
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    INK COMPOSITION FOR AQUEOUS BALLPOINT PEN
    • Publication number 20150275000
    • Publication date Oct 1, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yoji Takeuchi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    BALLPOINT PEN
    • Publication number 20150078803
    • Publication date Mar 19, 2015
    • MITSUBISHI PENCIL COMPANY, LIMITED
    • Yoshihisa Osano
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES