TREA

Yasumasa Suda

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the production of metal phthalocyanine
    • Patent number 6,103,896
    • Issue date Aug 15, 2000
    • Toyo Ink Manufacturing Co., Ltd.
    • Atsushi Endo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Process for the production of copper phthalocyanine
    • Patent number 5,910,585
    • Issue date Jun 8, 1999
    • Toyo Ink Manufacturing Co., Ltd.
    • Atsushi Endo
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Hole-transport material
    • Patent number 5,698,740
    • Issue date Dec 16, 1997
    • Toyo Ink Manufacturing Co., Ltd.
    • Toshio Enokida
    • C07 - ORGANIC CHEMISTRY