Patents by Inventor Yoshihiro Enda

Yoshihiro Enda 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).

  • Method for producing sintered magnet
    Patent number: 8033314
    Abstract: A method for producing a sintered magnet comprising steps of; wet-pulverizing a magnetic powder under the presence of a surface active agent, drying said wet-pulverized magnetic powder 20 for obtaining magnetic powder to which said surface active agent is adhered, heating and kneading said dried magnetic powder 20 with binder resin to form pellet, melting said pellet and injecting said pellet in a mold to which magnetic field is applied, to form a preform body, and firing said preform body.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: October 11, 2011
    Assignee: TDK Corporation
    Inventors: Masashi Gotoh, Yoshihiko Minachi, Yoshihiro Enda, Shunichi Kudo, Tomohiko Aida
  • Method for producing sintered magnet
    Publication number: 20090242164
    Abstract: A method for producing a sintered magnet comprising steps of; wet-pulverizing a magnetic powder under the presence of a surface active agent, drying said wet-pulverized magnetic powder 20 for obtaining magnetic powder to which said surface active agent is adhered, heating and kneading said dried magnetic powder 20 with binder resin to form pellet, melting said pellet and injecting said pellet in a mold to which magnetic field is applied, to form a preform body, and firing said preform body.
    Type: Application
    Filed: March 27, 2009
    Publication date: October 1, 2009
    Applicant: TDK CORPORATION
    Inventors: Masashi Gotoh, Yoshihiko Minachi, Yoshihiro Enda, Shunichi Kudo, Tomohiko Aida