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Mitsuo Maki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Article storage container
    • Patent number 4,798,310
    • Issue date Jan 17, 1989
    • Platinum Pen Co., Ltd.
    • Kikuo Kasai
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Mechanical pencil
    • Patent number 4,573,817
    • Issue date Mar 4, 1986
    • Platinum Pen of America, Inc.
    • Mitsuo Maki
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Ball point pen
    • Patent number D278157
    • Issue date Mar 26, 1985
    • Platinum Pen of America
    • Mitsuo Maki
    • D19 - Office supplies