TREA

Keiji Kudou

Follow

Person

  • Niihama-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for producing high-purity nickel sulfate
    • Patent number 9,702,023
    • Issue date Jul 11, 2017
    • Sumitomo Metal Mining Co., Ltd.
    • Atsushi Idegami
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • 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 PRODUCING HIGH-PURITY NICKEL SULFATE
    • Publication number 20150078972
    • Publication date Mar 19, 2015
    • Sumitomo Metal Mining Co., Ltd.
    • Atsushi Idegami
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...