Patents by Inventor Osamu Sawaya

Osamu Sawaya 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: D267945
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: February 15, 1983
    Assignee: Nippon Interphone Co. Ltd.
    Inventor: Osamu Sawaya