Patents by Inventor Kaori OHDAIRA

Kaori OHDAIRA 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).

  • Compressed powder body comprising soft magnetic alloy
    Patent number: 11911821
    Abstract: A compressed powder body comprises metal particles and an interposed substance which is interposed between the metal particles. Each of the metal particles is made of FeSiAl-based soft magnetic alloy and has a flat shape when seen along a predetermined direction. The metal particles include one or more of the metal particles each of which is formed with one or more predetermined holes. Each of the predetermined holes passes through the metal particle in the predetermined direction. Each of the predetermined holes has a maximum width in a predetermined plane perpendicular to the predetermined direction the maximum width being equal to or larger than a thickness of the metal particle with the predetermined hole in the predetermined direction.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: February 27, 2024
    Assignee: TOKIN CORPORATION
    Inventors: Mariko Fujiwara, Kaori Ohdaira, Chieko Fujimoto, Kenichi Chatani
  • COMPRESSED POWDER BODY
    Publication number: 20230166325
    Abstract: A compressed powder body comprises metal particles and an interposed substance which is interposed between the metal particles. Each of the metal particles is made of FeSiAl-based soft magnetic alloy and has a flat shape when seen along a predetermined direction. The metal particles include one or more of the metal particles each of which is formed with one or more predetermined holes. Each of the predetermined holes passes through the metal particle in the predetermined direction. Each of the predetermined holes has a maximum width in a predetermined plane perpendicular to the predetermined direction the maximum width being equal to or larger than a thickness of the metal particle with the predetermined hole in the predetermined direction.
    Type: Application
    Filed: November 18, 2022
    Publication date: June 1, 2023
    Applicant: TOKIN CORPORATION
    Inventors: Mariko FUJIWARA, Kaori OHDAIRA, Chieko FUJIMOTO, Kenichi CHATANI