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Toshiyuki Nagasawa

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  • Yawata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Aqueous pigment ink composition
    • Patent number 6,099,632
    • Issue date Aug 8, 2000
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous black ink composition for writing board
    • Patent number 5,905,102
    • Issue date May 18, 1999
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Aqueous pigment ink composition
    • Patent number 5,861,447
    • Issue date Jan 19, 1999
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Aqueous pigment ink composition
    • Patent number 5,846,307
    • Issue date Dec 8, 1998
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process of producing aqueous pigment ink
    • Patent number 5,718,746
    • Issue date Feb 17, 1998
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Water-based pigment ink and process for producing the same
    • Patent number 5,609,671
    • Issue date Mar 11, 1997
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Writing board ink composition
    • Patent number 5,318,617
    • Issue date Jun 7, 1994
    • Orient Chemical Industries, Ltd.
    • Toshiyuki Nagasawa
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...