TREA

Hitoshi Ishida

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for recovering lithium
    • Patent number 9,677,152
    • Issue date Jun 13, 2017
    • Sumitomo Metal Mining Co., Ltd.
    • Satoshi Asano
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for recovering rare earth element
    • Patent number 9,347,115
    • Issue date May 24, 2016
    • Sumitomo Metal Mining Co., Ltd.
    • Kazunari Maeba
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Lithium recovery method
    • Patent number 9,187,804
    • Issue date Nov 17, 2015
    • Sumitomo Metal Mining Co., Ltd.
    • Hitoshi Ishida
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Valuable metal leaching method, and valuable metal collection metho...
    • Patent number 9,068,242
    • Issue date Jun 30, 2015
    • Sumitomo Metal Mining Co., Ltd.
    • Hitoshi Ishida
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for separating positive-pole active substance and method for...
    • Patent number 9,023,130
    • Issue date May 5, 2015
    • Sumitomo Metal Mining Co., Ltd.
    • Keiji Kudo
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents