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Itsumi Matsuoka

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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for manufacturing sulfuric acid solution and electrolyzer us...
    • Patent number 11,781,228
    • Issue date Oct 10, 2023
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroto Watanabe
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for recovering scandium
    • Patent number 11,214,849
    • Issue date Jan 4, 2022
    • Sumitomo Metal Mining Co., Ltd.
    • Hidemasa Nagai
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for recovering scandium
    • Patent number 10,704,120
    • Issue date Jul 7, 2020
    • Sumitomo Metal Mining Co., Ltd.
    • Itsumi Matsuoka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Scandium purification method
    • Patent number 10,697,043
    • Issue date Jun 30, 2020
    • Sumitomo Metal Mining Co., Ltd.
    • Yusuke Senba
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method for recovering high-purity scandium
    • Patent number 10,081,851
    • Issue date Sep 25, 2018
    • Sumitomo Metal Mining Co., Ltd.
    • Itsumi Matsuoka
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Scandium recovery method
    • Patent number 9,963,762
    • Issue date May 8, 2018
    • Sumitomo Metal Mining Co., Ltd.
    • Tatsuya Higaki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    TREATMENT METHOD FOR ALLOY
    • Publication number 20250043383
    • Publication date Feb 6, 2025
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroshi Takenouchi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD FOR PROCESSING ALLOY
    • Publication number 20250003027
    • Publication date Jan 2, 2025
    • Sumitomo Metal Mining Co., Ltd.
    • Hirofumi Shouji
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    ALLOY TREATMENT METHOD
    • Publication number 20240392408
    • Publication date Nov 28, 2024
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroshi Takenouchi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD FOR PROCESSING ALLOY
    • Publication number 20240318282
    • Publication date Sep 26, 2024
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroshi Takenouchi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR TREATING ALLOY
    • Publication number 20240266627
    • Publication date Aug 8, 2024
    • SUMITOMO METAL CO., LTD.
    • Hirofumi Shouji
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    ALLOY TREATMENT METHOD
    • Publication number 20230167526
    • Publication date Jun 1, 2023
    • Sumitomo Metal Mining Co., Ltd.
    • Keiji Kudou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR TREATING ALLOY
    • Publication number 20230160035
    • Publication date May 25, 2023
    • Sumitomo Metal Mining Co., Ltd.
    • Keiji Kudou
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD FOR TREATING ALLOY
    • Publication number 20230071697
    • Publication date Mar 9, 2023
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroshi Takenouchi
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD FOR RECOVERING SCANDIUM
    • Publication number 20210254193
    • Publication date Aug 19, 2021
    • Sumitomo Metal Mining Co., Ltd.
    • Hidemasa Nagai
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    METHOD FOR MANUFACTURING SULFURIC ACID SOLUTION AND ELECTROLYZER US...
    • Publication number 20210230755
    • Publication date Jul 29, 2021
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroto WATANABE
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    METAL ELECTRODEPOSITION CATHODE PLATE AND PRODUCTION METHOD THEREFOR
    • Publication number 20190233960
    • Publication date Aug 1, 2019
    • Sumitomo Metal Mining Co., Ltd.
    • Hiroto Watanabe
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    METHOD FOR PURIFYING SCANDIUM AND SCANDIUM EXTRACTANT
    • Publication number 20190185964
    • Publication date Jun 20, 2019
    • KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    • Masahiro Goto
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SCANDIUM PURIFICATION METHOD
    • Publication number 20190062869
    • Publication date Feb 28, 2019
    • Sumitomo Metal Mining Co., Ltd.
    • Yusuke Senba
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD FOR RECOVERING SCANDIUM
    • Publication number 20190040492
    • Publication date Feb 7, 2019
    • Sumitomo Metal Mining Co., Ltd.
    • Itsumi Matsuoka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    METHOD FOR RECOVERING HIGH-PURITY SCANDIUM
    • Publication number 20170321301
    • Publication date Nov 9, 2017
    • Sumitomo Metal Mining Co., Ltd.
    • Itsumi Matsuoka
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SCANDIUM RECOVERY METHOD
    • Publication number 20160340757
    • Publication date Nov 24, 2016
    • Sumitomo Metal Mining Co., Ltd.
    • Tatsuya Higaki
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...