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Susumu Akagi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Pyrometallurgical smelting method of copper
    • Patent number 5,912,401
    • Issue date Jun 15, 1999
    • Nippon Mining & Metals Co., Ltd.
    • Takayoshi Fujii
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for pyrometallurgical smelting of copper
    • Patent number 5,662,730
    • Issue date Sep 2, 1997
    • Nippon Mining & Metals Co., Ltd.
    • Susumu Akagi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...