TREA

Lihua LIU

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 11,837,392
    • Issue date Dec 5, 2023
    • TDK Corporation
    • Lihua Liu
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 11,830,646
    • Issue date Nov 28, 2023
    • TDK Corporation
    • Kenichi Suzuki
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20240331897
    • Publication date Oct 3, 2024
    • TDK Corporation
    • Lihua LIU
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20230147967
    • Publication date May 11, 2023
    • TDK Corporation
    • Lihua LIU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20220199299
    • Publication date Jun 23, 2022
    • TDK Corporation
    • Lihua LIU
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20220199300
    • Publication date Jun 23, 2022
    • TDK Corporation
    • Kenichi SUZUKI
    • B22 - CASTING POWDER METALLURGY