Patents by Inventor Ryouichi Imaizumi

Ryouichi Imaizumi 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: D947185
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: March 29, 2022
    Assignee: MITUTOYO CORPORATION
    Inventors: Ryouichi Imaizumi, Takayuki Yonezawa