TREA

Humio Akutsu

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  • Iwaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vinyl chloride resin composition
    • Patent number 4,337,324
    • Issue date Jun 29, 1982
    • Kureha Kagaku Kogyo Kabushiki Kaisha
    • Haruhiko Yusa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fire retardant resinous compositions
    • Patent number 4,206,290
    • Issue date Jun 3, 1980
    • Kureha Kagaku Kogyo Kabushiki Kaisha
    • Haruhiko Yusa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...