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Ryoma Yamaguma

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for recovering scandium
    • Patent number 10,156,002
    • Issue date Dec 18, 2018
    • Sumitomo Metal Mining Co., Ltd.
    • Ryoma Yamaguma
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR MANUFACTURING NICKEL POWDER, AND METHOD FOR OPERATING RE...
    • Publication number 20180257143
    • Publication date Sep 13, 2018
    • Sumitomo Metal Mining Co., Ltd.
    • Yasuo Doi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    COBALT POWDER PRODUCTION METHOD
    • Publication number 20180056399
    • Publication date Mar 1, 2018
    • Sumitomo Metal Mining Co., Ltd.
    • Shin-ichi Heguri
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD FOR RECOVERING SCANDIUM
    • Publication number 20180023168
    • Publication date Jan 25, 2018
    • Sumitomo Metal Mining Co., Ltd.
    • Ryoma Yamaguma
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...