Patents by Inventor Mitsuharu Suzui

Mitsuharu Suzui 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).

  • Multifunction key telephone set
    Patent number: D301236
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: May 23, 1989
    Assignee: Nitsuko Corporation
    Inventors: Mitsuharu Suzui, Koji Asai