TREA

Mariko FUJIWARA

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 11,244,779
    • Issue date Feb 8, 2022
    • TDK Corporation
    • Mariko Fujiwara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    R-T-B-based sintered magnet
    • Patent number 11,145,444
    • Issue date Oct 12, 2021
    • TDK Corporation
    • Mariko Fujiwara
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    R-T-B based permanent magnet
    • Patent number 10,991,492
    • Issue date Apr 27, 2021
    • TDK Corporation
    • Mariko Fujiwara
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20200303099
    • Publication date Sep 24, 2020
    • TDK Corporation
    • Mariko FUJIWARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    R-T-B BASED PERMANENT MAGNET
    • Publication number 20200303098
    • Publication date Sep 24, 2020
    • TDK Corporation
    • Mariko FUJIWARA
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    R-T-B-BASED SINTERED MAGNET
    • Publication number 20190304639
    • Publication date Oct 3, 2019
    • TDK Corporation
    • Mariko FUJIWARA
    • B22 - CASTING POWDER METALLURGY