TREA

Masayoshi Ehara

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  • Wakayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Additive for hydraulic compositions
    • Patent number 7,470,733
    • Issue date Dec 30, 2008
    • Kao Corporation
    • Kyoichi Shirota
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    Additive for hydraulic compositions
    • Publication number 20060235112
    • Publication date Oct 19, 2006
    • Kyoichi Shirota
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES