TREA

Hirohito Ando

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Patents Grantslast 30 patents

  • Information Patent Grant

    Disazo pigment composition and printing ink
    • Patent number 5,803,962
    • Issue date Sep 8, 1998
    • Dainippon Ink and Chemicals, Inc.
    • Nagatoshi Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Monoazo lake pigment
    • Patent number 5,084,106
    • Issue date Jan 28, 1992
    • Dainippon Ink and Chemicals, Inc.
    • Nagatoshi Kobayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Modified crystalline monoazo lake pigment
    • Patent number 5,055,564
    • Issue date Oct 8, 1991
    • Dainippon Ink and Chemicals, Inc.
    • Nagatoshi Koyayashi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Azo lake pigments
    • Patent number 4,767,844
    • Issue date Aug 30, 1988
    • Dainippon Ink and Chemicals, Inc.
    • Hirohito Ando
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Non-bronzing reddish lake pigment
    • Patent number 4,711,674
    • Issue date Dec 8, 1987
    • Dainippon Ink and Chemicals, Inc.
    • Hirohito Ando
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for producing isoindolinone pigments
    • Patent number 4,371,467
    • Issue date Feb 1, 1983
    • Dainippon Ink & Chemicals Inc.
    • Hirohito Ando
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Indandione bis-azomethine pigments
    • Patent number 4,122,117
    • Issue date Oct 24, 1978
    • Dainippon Ink and Chemicals, Inc.
    • Hirohito Ando
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...