Patents by Inventor Yasuhisa UEHARA

Yasuhisa UEHARA 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).

  • Electrode material spark plug electrode, and spark plug
    Patent number: 11196235
    Abstract: An electrode material includes a composite including a core wire that is composed of a nickel base material containing 96% by mass or more of Ni and a covering that covers an outer peripheral surface of the core wire and that does not cover but exposes an end face of the core wire. The covering is composed of a nickel alloy containing 10% by mass or more and 30% by mass or less of Cr and 0.1% by mass or more and 6% by mass or less of Al. The composite has a specific resistance of less than 50 ??·cm.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: December 7, 2021
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hajime Ota, Yasuhisa Uehara
  • ELECTRODE MATERIAL, SPARK PLUG ELECTRODE, AND SPARK PLUG
    Publication number: 20210242665
    Abstract: An electrode material includes a composite including a core wire that is composed of a nickel base material containing 96% by mass or more of Ni and a covering that covers an outer peripheral surface of the core wire and that does not cover but exposes an end face of the core wire. The covering is composed of a nickel alloy containing 10% by mass or more and 30% by mass or less of Cr and 0.1% by mass or more and 6% by mass or less of Al. The composite has a specific resistance of less than 50 ??·cm.
    Type: Application
    Filed: February 7, 2018
    Publication date: August 5, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hajime OTA, Yasuhisa UEHARA