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Shoujirou Usui

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  • Oita-Shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for recovering rhodium
    • Patent number 7,998,241
    • Issue date Aug 16, 2011
    • JX Nippon Mining & Metals Corporation
    • Shoujirou Usui
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for recovering rhodium and silver from hydrochloric acid
    • Patent number 7,563,420
    • Issue date Jul 21, 2009
    • Nippon Mining & Metals Co., Ltd.
    • Shoujirou Usui
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Method for recovering rhodium
    • Publication number 20080236337
    • Publication date Oct 2, 2008
    • NIPPON MINING & METALS CO., LTD.
    • Shoujirou Usui
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Method for recovering RH
    • Publication number 20070248513
    • Publication date Oct 25, 2007
    • Nippon Mining & Metals Co., Ltd.
    • Shoujirou Usui
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...