TREA

Hitoshi Fujiyoshi

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymer emulsion
    • Patent number 5,132,358
    • Issue date Jul 21, 1992
    • Mitsui-Cyanamid, Ltd.
    • Naotaka Watanabe
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Mortar concrete composition
    • Patent number 5,069,721
    • Issue date Dec 3, 1991
    • Mitsui-Cyanamid, Ltd.
    • Akira Tamura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Papermaking method
    • Patent number 5,069,754
    • Issue date Dec 3, 1991
    • Mitsui-Cyanamid, Ltd.
    • Naotaka Watababe
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE