Patents by Inventor Takahiro Yokawa

Takahiro Yokawa 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).

  • Manufacturing Method of Welded Pipe and Manufacturing Device of Welded Pipe
    Publication number: 20220176491
    Abstract: Disclosed is a manufacturing method of a welded pipe, which includes: bending a stainless steel strip while conveying the stainless steel strip in one direction to thereby form a pipe; and welding a butting part of the formed pipe.
    Type: Application
    Filed: March 25, 2020
    Publication date: June 9, 2022
    Applicant: Hitachi Metals, Ltd.
    Inventors: Hironori Yamane, Takahiro Yokawa, Makoto Sasaki