TREA

Hisashi Tomiya

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refractory brick
    • Patent number 7,939,458
    • Issue date May 10, 2011
    • Shinagawa Refractories Co., Ltd.
    • Ryosuke Nakamura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    REFRACTORY BRICK
    • Publication number 20090286668
    • Publication date Nov 19, 2009
    • SHINAGAWA REFRACTORIES CO., LTD.
    • Ryosuke Nakamura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES