Patents by Inventor Kohei Musha

Kohei Musha 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).

  • Door closer
    Patent number: D335812
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: May 25, 1993
    Assignee: Sugatsune Industrial Co., Ltd.
    Inventor: Kohei Musha
  • Manual washing machine
    Patent number: D940410
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: January 4, 2022
    Assignee: CENTARC, INC.
    Inventors: Kohei Musha, Yoshihiro Urashima
  • Keys for musical instrument
    Patent number: D995623
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: August 15, 2023
    Assignee: INSTACHORD CORP.
    Inventors: Yuichi Nagata, Kohei Musha, Yoshihiro Urashima