TREA

Sadahiko Matsubara

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Production of an azine dye having excellent heat- and light-resistance
    • Patent number 5,281,709
    • Issue date Jan 25, 1994
    • Orient Chemical Industries, Ltd.
    • Kazutoshi Akiyama
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Hexakisazo dyes-containing aqueous compositions
    • Patent number 4,822,424
    • Issue date Apr 18, 1989
    • Orient Chemical Industries Ltd.
    • Hisashi Senshu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Hexakisazo dyes
    • Patent number 4,758,659
    • Issue date Jul 19, 1988
    • Orient Chemical Industries, Ltd.
    • Hisashi Senshu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...