Patents by Inventor Takakiyo Kitagawa

Takakiyo Kitagawa 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: 6282493
    Abstract: Using a stored data in a map information storage section which is a storage medium such as a CD-ROM or the like, a vehicle navigation device comprises a schematic map calculation section which performs calculations of a schematic map of roads, a distance calculation section which calculates a distance from an arbitrary geographical point to a facility, a display selection section which selects a facility within a fixed distance from an arbitrary geographical point based on a calculation result in a distance calculation section, and a display control section which displays facilities selected from the display selection section and a schematic map obtained from the schematic map calculation section on a schematic map on a display section.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: August 28, 2001
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takakiyo Kitagawa, Hidehiko Ohki