Patents by Inventor Shouiti Maegawa

Shouiti Maegawa 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: 5428545
    Abstract: The present invention provides a vehicle guidance system capable of showing a recommendable route between the present position of the vehicle and a destination on a map. The vehicle guidance system comprises a routing unit for finding a recommendable route between the present position of the vehicle and a destination by using road data, a congestion detecting unit detects traffic congestion on the basis of the traveling mode of the vehicle, and a congested place estimating unit estimates presumably congested roads on the recommendable route by using the road data when the congestion detecting unit detects traffic congestion.
    Type: Grant
    Filed: January 5, 1994
    Date of Patent: June 27, 1995
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shouiti Maegawa, Chisato Yoshida, Shuichi Nishikawa, Takashi Kakitani