Patents by Inventor Makoto Jinnou

Makoto Jinnou 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).

  • Sintered bearing and manufacturing method for same
    Patent number: 11351608
    Abstract: Provided is a sintered bearing (1), including 3 to 12% by mass of aluminum, 0.05 to 0.5% by mass of phosphorus, and the balance including copper as a main component, and inevitable impurities, the sintered bearing (1) having a structure in which an aluminum-copper alloy is sintered with a sintering aid added to raw material powder, a pore (db, do) in a surface layer portion of the sintered bearing (1) being formed smaller than an internal pore (di).
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: June 7, 2022
    Assignee: NTN CORPORATION
    Inventors: Makoto Jinnou, Natsuhiko Mori, Yoshinori Ito
  • SINTERED BEARING AND MANUFACTURING METHOD FOR SAME
    Publication number: 20180221956
    Abstract: Provided is a sintered bearing (1), including 3 to 12% by mass of aluminum, 0.05 to 0.5% by mass of phosphorus, and the balance including copper as a main component, and inevitable impurities, the sintered bearing (1) having a structure in which an aluminum-copper alloy is sintered with a sintering aid added to raw material powder, a pore (db, do) in a surface layer portion of the sintered bearing (1) being formed smaller than an internal pore (di).
    Type: Application
    Filed: April 3, 2018
    Publication date: August 9, 2018
    Inventors: Makoto JINNOU, Natsuhiko MORI, Yoshinori ITO
  • SINTERED BEARING AND MANUFACTURING METHOD FOR SAME
    Publication number: 20150064045
    Abstract: Provided is a sintered bearing (1), including 3 to 12% by mass of aluminum, 0.05 to 0.5% by mass of phosphorus, and the balance including copper as a main component, and inevitable impurities, the sintered bearing (1) having a structure in which an aluminum-copper alloy is sintered with a sintering aid added to raw material powder, a pore (db, do) in a surface layer portion of the sintered bearing (1) being formed smaller than an internal pore (di).
    Type: Application
    Filed: March 13, 2013
    Publication date: March 5, 2015
    Applicant: NTN CORPORATION
    Inventors: Makoto Jinnou, Natsuhiko Mori, Yoshinori Ito