Patents by Inventor Tomoka ABE

Tomoka ABE 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: 11987765
    Abstract: The composition according to the present disclosure is a composition for forming a lubricant coating layer on or above a threaded connection for pipes, and contains polyisobutylene, a metal soap, a wax and a basic metal salt of an aromatic organic acid. The threaded connection for pipes according to the present disclosure includes: a pin having a pin-side contact surface which includes a pin-side threaded portion; a box having a box-side contact surface which includes a box-side threaded portion; and a lubricant coating layer formed from the aforementioned composition as an outermost layer on or above at least one of the pin-side contact surface and the box-side contact surface.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: May 21, 2024
    Assignees: NIPPON STEEL CORPORATION, VALLOUREC OIL AND GAS FRANCE
    Inventors: Kunio Goto, Tomoka Abe
  • Publication number: 20230312946
    Abstract: An oil-well metal pipe according to the present disclosure has a pipe main body including a first end portion and a second end portion. The pipe main body includes a pin formed at the first end portion, and a box formed at the second end portion. The pin includes a pin contact surface including an external thread part, and the box includes a box contact surface including an internal thread part. The oil-well metal pipe according to the present disclosure also includes a resin coating containing a resin, a solid lubricant powder, and copper phthalocyanine on or above at least one of the pin contact surface and the box contact surface.
    Type: Application
    Filed: August 16, 2021
    Publication date: October 5, 2023
    Inventors: Tomoka ABE, Ken TOMIYASU, Keishi MATSUMOTO, Mamoru OCHIAI
  • Publication number: 20220064561
    Abstract: The composition according to the present disclosure is a composition for forming a lubricant coating layer on or above a threaded connection for pipes, and contains polyisobutylene, a metal soap, a wax and a basic metal salt of an aromatic organic acid. The threaded connection for pipes according to the present disclosure includes: a pin having a pin-side contact surface which includes a pin-side threaded portion; a box having a box-side contact surface which includes a box-side threaded portion; and a lubricant coating layer formed from the aforementioned composition as an outermost layer on or above at least one of the pin-side contact surface and the box-side contact surface.
    Type: Application
    Filed: December 25, 2019
    Publication date: March 3, 2022
    Inventors: Kunio GOTO, Tomoka ABE