Patents by Inventor Shigeru Wakatsuka

Shigeru Wakatsuka 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).

  • Satellite location measuring receiver
    Patent number: D358558
    Type: Grant
    Filed: April 11, 1994
    Date of Patent: May 23, 1995
    Assignee: Sokkia Co., Ltd.
    Inventors: Hidetoshi Isomura, Yutaka Nakamura, Shigeru Wakatsuka