TREA

Koji KATSUKAWA

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  • Hitachi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of leaching gold
    • Patent number 9,593,394
    • Issue date Mar 14, 2017
    • JX Nippon Mining & Metals Corporation
    • Masaki Sano
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method of leaching copper and gold from sulfide ores
    • Patent number 9,290,827
    • Issue date Mar 22, 2016
    • JX Nippon Mining & Metals Corporation
    • Kazuhiro Hatano
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process of leaching gold
    • Patent number 9,045,811
    • Issue date Jun 2, 2015
    • JX Nippon Mining & Metals Corporation
    • Masaki Sano
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Method of recovering gold from dilute gold solution
    • Patent number 8,911,533
    • Issue date Dec 16, 2014
    • JX Nippon Mining & Metals Corporation
    • Kazuhiro Hatano
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Process of Leaching Gold
    • Publication number 20140331822
    • Publication date Nov 13, 2014
    • Masaki SANO
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    PROCESS OF LEACHING GOLD
    • Publication number 20120304828
    • Publication date Dec 6, 2012
    • Masaki SANO
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Application

    METHOD OF RECOVERING GOLD FROM DILUTE GOLD SOLUTION
    • Publication number 20120234138
    • Publication date Sep 20, 2012
    • JX NIPPON MINING & METALS CORPORATION
    • Kazuhiro HATANO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD OF LEACHING COPPER AND GOLD FROM SULFIDE ORES
    • Publication number 20120222519
    • Publication date Sep 6, 2012
    • JX NIPPON MINING & METALS CORPORATION
    • Kazuhiro HATANO
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...