TREA

Seiichi Tsuyuguchi

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  • Niihama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of treating the slag from a copper converter
    • Patent number 4,707,185
    • Issue date Nov 17, 1987
    • Sumitomo Metal Mining Company Limited
    • Takayoshi Kimura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of treating silicate ore containing gold and silver
    • Patent number 4,695,317
    • Issue date Sep 22, 1987
    • Sumitomo Metal Mining Company Limited
    • Takayoshi Kimura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of lancing for a copper-producing converter
    • Patent number 4,661,152
    • Issue date Apr 28, 1987
    • Sumitomo Metal Mining Company Limited
    • Takayoshi Kimura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of operating a copper converter
    • Patent number 4,614,542
    • Issue date Sep 30, 1986
    • Sumitomo Metal Mining Company Limited
    • Takayoshi Kimura
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...