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Kazumi Goto

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink composition
    • Patent number 6,051,629
    • Issue date Apr 18, 2000
    • Mitsubishi Pencil Kabushiki Kaisha
    • Shuji Ichikawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Ink composition for writing instrument
    • Patent number 6,048,914
    • Issue date Apr 11, 2000
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazumi Goto
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Porous rubber stamp material having open cells
    • Patent number 5,620,777
    • Issue date Apr 15, 1997
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazumi Goto
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Process for producing sponge rubber stamp having open cell
    • Patent number 5,397,417
    • Issue date Mar 14, 1995
    • Mitsubishi Pencil Kabushiki Kaisha
    • Kazumi Goto
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL