Patents by Inventor Setsuo Yamagishi

Setsuo Yamagishi 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).

  • Automatic guiding and tracking device
    Patent number: 5611406
    Abstract: A guiding signal generator and transmitter is included on a guiding device for generating and transmitting a guiding signal for guiding a tracking device. Provided on the tracking device are first and second guiding signal receivers spaced apart by a predetermined distance for receiving the guiding signal, and a controller for detecting a direction to and a distance from the guiding device based on outputs from the first and second guiding signal receivers and the predetermined distance. The configuration prevents collisions between the guiding device and the tracking device.
    Type: Grant
    Filed: July 11, 1995
    Date of Patent: March 18, 1997
    Assignee: Nikko Electric Industry Co., Ltd.
    Inventors: Kouichi Matsuzaki, Setsuo Yamagishi