Patents by Inventor Tomomitsu WATANABE

Tomomitsu WATANABE 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).

  • Sliding material
    Patent number: 12680575
    Abstract: A sliding material having improved slidability is provided. A sliding material, comprising a substrate comprising brass alloy and a Cr—Fe—Si-based intermetallic compound comprised in the substrate, wherein the nanoindentation hardness of regions wherein the Cr—Fe—Si-based intermetallic compound precipitated is 20 GPa or more and 28 GPa or less.
    Type: Grant
    Filed: March 30, 2023
    Date of Patent: July 14, 2026
    Assignee: SANKYO OILLESS INDUSTRY, INC.
    Inventors: Kohei Susumu, Masahito Fujita, Tomomitsu Watanabe
  • SLIDING MATERIAL
    Publication number: 20250172175
    Abstract: A sliding material having improved slidability is provided. A sliding material, comprising a substrate comprising brass alloy and a Cr—Fe—Si-based intermetallic compound comprised in the substrate, wherein the nanoindentation hardness of regions wherein the Cr—Fe—Si-based intermetallic compound precipitated is 20 GPa or more and 28 GPa or less.
    Type: Application
    Filed: March 30, 2023
    Publication date: May 29, 2025
    Applicant: SANKYO OILLESS INDUSTRY, INC.
    Inventors: Kohei SUSUMU, Masahito FUJITA, Tomomitsu WATANABE