Patents by Inventor Katushio Watanabe

Katushio Watanabe 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).

  • Automotive telephone handset
    Patent number: D334015
    Type: Grant
    Filed: February 11, 1992
    Date of Patent: March 16, 1993
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Michael Paton, Chusei Takahashi, Katushio Watanabe