Patents by Inventor Motomi MIZUGAI

Motomi MIZUGAI 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: 11352676
    Abstract: A machine component, made of steel or cast iron and having a circular hole that opens in a first surface, includes a plurality of first quench-hardened regions that include the first surface and are arranged apart from each other along a first circle surrounding the hole when viewed in a plane in a direction perpendicular to the first surface, and a base region that is a region other than the first quench-hardened regions.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: June 7, 2022
    Assignee: KOMATSU LTD.
    Inventors: Yusuke Imadu, Toshiyuki Iseki, Takaaki Sasaki, Motomi Mizugai
  • Publication number: 20210404027
    Abstract: A machine component, made of steel or cast iron and having a circular hole that opens in a first surface, includes a plurality of first quench-hardened regions that include the first surface and are arranged apart from each other along a first circle surrounding the hole when viewed in a plane in a direction perpendicular to the first surface, and a base region that is a region other than the first quench-hardened regions.
    Type: Application
    Filed: January 23, 2020
    Publication date: December 30, 2021
    Applicant: KOMATSU LTD.
    Inventors: Yusuke IMADU, Toshiyuki ISEKI, Takaaki SASAKI, Motomi MIZUGAI