Patents by Inventor Go MATSUMURA

Go MATSUMURA 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).

  • Spark plug
    Patent number: 9935430
    Abstract: A spark plug having a of center electrode, a ground electrode, and a noble metal tip that is laser-welded to at least one of the center electrode and the ground electrode The noble metal tip is joined to the electrode through a fused portion formed by laser welding, and the fused portion includes a first fused portion and a second fused portion.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: April 3, 2018
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Go Matsumura, Kazuyoshi Torii, Yasuhide Shimanokami
  • SPARK PLUG
    Publication number: 20150372458
    Abstract: A spark plug having a of center electrode, a ground electrode, and a noble metal tip that is laser-welded to at least one of the center electrode and the ground electrode The noble metal tip is joined to the electrode through a fused portion formed by laser welding, and the fused portion includes a first fused portion and a second fused portion.
    Type: Application
    Filed: December 13, 2013
    Publication date: December 24, 2015
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Go MATSUMURA, Kazuyoshi TORII, Yasuhide SHIMANOKAMI