Patents by Inventor Yosuke OKU

Yosuke OKU 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).

  • Tubular threaded connection
    Patent number: 11753877
    Abstract: A threaded tubular connection includes a tubular female end extending from a main body of a first tubular member, and a tubular male end extending from a main body of a second tubular member, such that the tubular male end includes a first machined inner surface close to the male free end and a second machined inner cylindrical surface above a threaded portion of the male end such that a second inner diameter of the second machined inner cylindrical surface is smaller than a first inner diameter of the first machined inner surface.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: September 12, 2023
    Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATION
    Inventors: Benoit Briane, Alan Fothergill, Satoshi Maruta, Yosuke Oku
  • TUBULAR THREADED CONNECTION
    Publication number: 20210254414
    Abstract: A threaded tubular connection includes a tubular female end extending from a main body of a first tubular member, and a tubular male end extending from a main body of a second tubular member, such that the tubular male end includes a first machined inner surface close to the male free end and a second machined inner cylindrical surface above a threaded portion of the male end such that a second inner diameter of the second machined inner cylindrical surface is smaller than a first inner diameter of the first machined inner surface.
    Type: Application
    Filed: May 24, 2019
    Publication date: August 19, 2021
    Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATION
    Inventors: Benoit BRIANE, Alan FOTHERGILL, Satoshi MARUTA, Yosuke OKU