Patents by Inventor Yuuichi Kuwahara

Yuuichi Kuwahara 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).

  • Traffic surveillance system
    Patent number: 6466260
    Abstract: A traffic surveillance system for surveillance conditions of traffic at a traffic strategic point such as an intersection. The surveillance system has at least one traffic signal light having a housing which contains one set of traffic lights, installed at the traffic strategic point, a television camera adapted to image-pick up the traffic strategic point, and a television monitor for displaying a video signal from the camera. Lighting information of the traffic signal light and the video signal from the television camera are synthesized and displayed on the same screen of the television monitor.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: October 15, 2002
    Assignee: Hitachi Denshi Kabushiki Kaisha
    Inventors: Yasuhiko Hatae, Hisashi Kiyose, Hitoshi Fujisaki, Yuuichi Kuwahara