TREA

Yoshinobu Nishiyama

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  • Kitakyushu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for extracting metal ions
    • Patent number 4,968,434
    • Issue date Nov 6, 1990
    • Mitsubishi Kasei Corporation
    • Tsugio Kaneko
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for extracting metal ions
    • Patent number 4,871,464
    • Issue date Oct 3, 1989
    • Mitsubishi Chemical Industries Limited
    • Tsugio Kaneko
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for recovering gallium
    • Patent number 4,631,177
    • Issue date Dec 23, 1986
    • Mitsubishi Chemical Industries Ltd.
    • Takao Yotsuyanagi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...