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Yasuji Okuda

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink composition for marking pen
    • Patent number 5,762,694
    • Issue date Jun 9, 1998
    • Sakura Color Products Corporation
    • Masakazu Yokoi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water base ink compositions for neon boards
    • Patent number 5,716,217
    • Issue date Feb 10, 1998
    • Sakura Color Products Corp.
    • Kiyotaka Imagawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous pigment ink composition for writing utensils
    • Patent number 5,510,397
    • Issue date Apr 23, 1996
    • Sakura Color Products Corporation
    • Yasuji Okuda
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water base pigment ink compositions for use in marking pens
    • Patent number 5,106,881
    • Issue date Apr 21, 1992
    • Sakura Color Products Corp.
    • Hiroshi Inoue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water base pigment ink compositions for use in marking pens
    • Patent number 5,009,536
    • Issue date Apr 23, 1991
    • Sakura Color Products Corp.
    • Hiroshi Inoue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Water base pigment ink compositions for use in marking pens
    • Patent number 4,942,185
    • Issue date Jul 17, 1990
    • Sakura Color Products Corp.
    • Hiroshi Inoue
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Solid coating compositions
    • Patent number 4,829,108
    • Issue date May 9, 1989
    • Sakura Color Products Corporation
    • Yasuji Okuda
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...