TREA

Taiji Koga

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing polyurethane foam
    • Patent number 4,923,904
    • Issue date May 8, 1990
    • Bridgestone Corporation
    • Hajime Hasegawa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Thermochromic polyurethane foam
    • Patent number 4,666,949
    • Issue date May 19, 1987
    • Matsui Shikiso Chemical Co., Ltd.
    • Goro Shimizu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...