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Masayoshi Kiritake

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing implement
    • Patent number 8,678,691
    • Issue date Mar 25, 2014
    • Mitsubishi Pencil Co., Ltd.
    • Masayoshi Kiritake
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ink cartridge
    • Patent number 6,234,619
    • Issue date May 22, 2001
    • Mitsubishi Pencil Kabushiki Kaisha
    • Masayoshi Kiritake
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    WRITING IMPLEMENT
    • Publication number 20100284723
    • Publication date Nov 11, 2010
    • Masayoshi Kiritake
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES