Patents by Inventor Soichiro Usui

Soichiro Usui 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: D274018
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: May 29, 1984
    Inventor: Soichiro Usui