TREA

Yoshiro Matsubara

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pigment dispersing agent
    • Patent number 5,187,229
    • Issue date Feb 16, 1993
    • Nippon Oil & Fats Company, Ltd.
    • Toshio Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Pigment dispersing agent
    • Patent number 5,100,969
    • Issue date Mar 31, 1992
    • Nippon Oil and Fats Company Limited
    • Toshio Yamamoto
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Pigment dispersing agent
    • Patent number 4,933,417
    • Issue date Jun 12, 1990
    • Nippon Oil & Fats Co., Ltd.
    • Toshio Yamamoto
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...