Patents by Inventor Mamoru OCHIAI

Mamoru OCHIAI 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).

  • OIL-WELL METAL PIPE, AND METHOD FOR PRODUCING OIL-WELL METAL PIPE
    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