Patents by Inventor Osanori MIZONOUE

Osanori MIZONOUE 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).

  • Patent number: 8835001
    Abstract: A ferrite sintered magnet has a surface roughness Rz of 3.5 ?m or less. A method for producing a ferrite sintered magnet includes: mixing magnetic powders with at least a binder resin to obtain a magnetic powder mixture; injection molding the magnetic powder mixture inside of a mold having a surface roughness of a surface in contact with the magnetic powder mixture of 2.0 ?m or less with a magnetic field applied to the mold, to obtain a molded body; and sintering the molded body.
    Type: Grant
    Filed: March 27, 2012
    Date of Patent: September 16, 2014
    Assignee: TDK Corporation
    Inventors: Hideyuki Umezawa, Yoshihiko Minachi, Osanori Mizonoue
  • Publication number: 20120248913
    Abstract: A ferrite sintered magnet has a surface roughness Rz of 3.5 ?m or less. A method for producing a ferrite sintered magnet includes: mixing magnetic powders with at least a binder resin to obtain a magnetic powder mixture; injection molding the magnetic powder mixture inside of a mold having a surface roughness of a surface in contact with the magnetic powder mixture of 2.0 ?m or less with a magnetic field applied to the mold, to obtain a molded body; and sintering the molded body.
    Type: Application
    Filed: March 27, 2012
    Publication date: October 4, 2012
    Applicant: TDK CORPORATION
    Inventors: Hideyuki UMEZAWA, Yoshihiko MINACHI, Osanori MIZONOUE