Patents by Inventor Mika JINGU

Mika JINGU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • R-T-B BASED PERMANENT MAGNET
    Publication number: 20230025223
    Abstract: An R-T-B based permanent magnet including R2T14B main phase crystal grains and a grain boundary. R represents one or more rare earth elements, T represents one or more iron group elements essentially including Fe or Fe and Co, and B represents boron. In a cross-section parallel to the alignment direction of the R-T-B based permanent magnet, the coverage of the R2T14B main phase crystal grains is 50.0% or more, and the area ratio of the R2T14B main phase crystal grains is 92.0% or more.
    Type: Application
    Filed: November 26, 2020
    Publication date: January 26, 2023
    Applicant: TDK CORPORATION
    Inventors: Yoshinori FUJIKAWA, Atsushi KODA, Mika JINGU, Takashi WATANABE