TREA

Akio Yoshihara

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polypropylene-base resin composition
    • Patent number 4,705,818
    • Issue date Nov 10, 1987
    • Mitsui Toatsu Chemicals, Incorporated
    • Yoichi Kawai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation process for polypropylene-base resin compositions
    • Patent number 4,626,565
    • Issue date Dec 2, 1986
    • Mitsui Toatsu Chemicals, Incorporated
    • Yoichi Kawai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polypropylene-base resin composition
    • Patent number 4,480,065
    • Issue date Oct 30, 1984
    • Mitsui Toatsu Chemicals, Incorporated
    • Yoichi Kawai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...