Patents by Inventor Chikanobu IKUTA

Chikanobu IKUTA 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: 9385439
    Abstract: A metal member includes a base material composed of one of copper and a copper alloy, a white metal layer provided on the base material at a part or an entirety thereof, and an oil film provided on the white metal layer. The white metal layer has a thickness of 0.01 ?m to 0.80 ?m. A surface of the white metal layer has an arithmetic mean roughness of 0.6 ?m to 1.2 ?m. The oil film has an electric double-layer capacitance of 1.5 ?F/cm2 to 7.0 ?F/cm2.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: July 5, 2016
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Akira Tachibana, Kengo Mitose, Chikanobu Ikuta
  • Publication number: 20150357723
    Abstract: A metal member includes a base material composed of one of copper and a copper alloy, a white metal layer provided on the base material at a part or an entirety thereof, and an oil film provided on the white metal layer. The white metal layer has a thickness of 0.01 ?m to 0.80 ?m. A surface of the white metal layer has an arithmetic mean roughness of 0.6 ?m to 1.2 ?m. The oil film has an electric double-layer capacitance of 1.5 ?F/cm2 to 7.0 ?F/cm2.
    Type: Application
    Filed: August 18, 2015
    Publication date: December 10, 2015
    Inventors: Akira TACHIBANA, Kengo MITOSE, Chikanobu IKUTA