Patents by Inventor Kotaro Kumagi

Kotaro Kumagi 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: D887154
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: June 16, 2020
    Assignee: TACHI-S CO., LTD.
    Inventors: Kotaro Kumagi, Takashi Yokoyama, Masayuki Taguchi