TREA

Asami Hajime

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  • Bizen, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing unburned basic refractories
    • Patent number 4,079,032
    • Issue date Mar 14, 1978
    • Shinagawa Refractories Co., Ltd.
    • Tadashi Zenbutsu
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for producing refractories
    • Patent number 4,009,308
    • Issue date Feb 22, 1977
    • Shinagawa Refractories Co., Ltd.
    • Zenbutsu Tadashi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES