Patents by Inventor Kenzou MORITA

Kenzou MORITA 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).

  • Production method for sintered member
    Patent number: 9566639
    Abstract: A production method for a sintered member includes preparing a raw powder, compacting the raw powder into a green compact having pores at the surface thereof, and sintering the green compact into a sintered compact. The production method also includes sealing the pores exposed at the surface of the sintered compact by at least one of plastically deforming and melting the surface of the sintered compact. The production method further includes forging the sintered compact by using a lubricant after the sealing.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: February 14, 2017
    Assignee: HITACHI POWDERED METALS CO., LTD.
    Inventors: Tomoyuki Kohida, Katsuhiko Ueda, Kenzou Morita
  • PRODUCTION METHOD FOR SINTERED MEMBER
    Publication number: 20120082583
    Abstract: A production method for a sintered member includes preparing a raw powder, compacting the raw powder into a green compact having pores at the surface thereof, and sintering the green compact into a sintered compact. The production method also includes sealing the pores exposed at the surface of the sintered compact by at least one of plastically deforming and melting the surface of the sintered compact. The production method further includes forging the sintered compact by using a lubricant after the sealing.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 5, 2012
    Applicant: HITACHI POWDERED METALS CO., LTD.
    Inventors: Tomoyuki KOHIDA, Katsuhiko UEDA, Kenzou MORITA