Patents by Inventor Kuniyasu KAWAMURA

Kuniyasu KAWAMURA 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).

  • Publication number: 20240047112
    Abstract: A cylindrical multipole magnet having an inner peripheral surface and an outer peripheral surface and having N- and S-poles alternately and continuously in a circumferential direction. A surface magnetic flux density of the outer peripheral surface is at least 0.2 times a surface magnetic flux density of the inner peripheral surface. The cylindrical multipole magnet contains an anisotropic rare earth magnetic powder and a resin, with a filling ratio of the anisotropic rare earth magnetic powder being at least 50 vol % but not higher than 65 vol % with respect to a total volume of the anisotropic rare earth magnetic powder and the resin.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 8, 2024
    Applicant: NICHIA CORPORATION
    Inventors: Rie YOSHIDA, Daichi ITAMI, Masahiro ABE, Kuniyasu KAWAMURA, Takayuki YANO, Muneo YAMAMOTO