TREA

Tomiguyu Murakami

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Treatment of inorganic building materials
    • Patent number 5,372,855
    • Issue date Dec 13, 1994
    • Hitachi Chemical Company Ltd.
    • Keishi Hamada
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Treated inorganic building materials
    • Patent number 5,023,136
    • Issue date Jun 11, 1991
    • Hitachi Chemical Company, Ltd.
    • Keishi Hamada
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES