Patents by Inventor Shinichirou IKEGAMI

Shinichirou IKEGAMI 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: 9765828
    Abstract: A method for manufacturing a friction plate provided with a core plate includes subjecting a spline portion formed at an outer periphery or an inner periphery of the core plate to a hardening process by laser.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: September 19, 2017
    Assignee: NSK-WARNER K.K.
    Inventors: Kazuyuki Tohyama, Hidetoshi Maeda, Shinichirou Ikegami, Atsuhiro Kano
  • Publication number: 20160025155
    Abstract: A method for manufacturing a friction plate provided with a core plate includes subjecting a spline portion formed at an outer periphery or an inner periphery of the core plate to a hardening process by laser.
    Type: Application
    Filed: July 21, 2015
    Publication date: January 28, 2016
    Inventors: Kazuyuki TOHYAMA, Hidetoshi MAEDA, Shinichirou IKEGAMI, Atsuhiro KANO