TREA

Azuma Komeiji

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  • Sodegaura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Styrene-based resin composition
    • Patent number 5,166,238
    • Issue date Nov 24, 1992
    • Idemitsu Kosan Co., Ltd.
    • Akikazu Nakano
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for setting gypsum utilizing retarder
    • Patent number 4,166,751
    • Issue date Sep 4, 1979
    • Idemitsu Kosan Co., Ltd.
    • Azuma Komeiji
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES