TREA

Shunichi Kimura

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  • Akita-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for metal purification
    • Patent number 6,838,045
    • Issue date Jan 4, 2005
    • Dowa Mining Co., Ltd.
    • Kishio Tayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for producing high-purity metals
    • Patent number 6,814,779
    • Issue date Nov 9, 2004
    • Dowa Mining Co., Ltd.
    • Kishio Tayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    High-purity metal
    • Publication number 20040166016
    • Publication date Aug 26, 2004
    • DOWA MINING CO., LTD.
    • Kishio Tayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Apparatus for metal purification
    • Publication number 20040089986
    • Publication date May 13, 2004
    • DOWA MINING CO., LTD.
    • Kishio Tayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    High purity metals, process and apparatus for producing them by enh...
    • Publication number 20030145684
    • Publication date Aug 7, 2003
    • DOWA MINING CO., LTD.
    • Kishio Tayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...