Patents by Inventor Masami Shibazaki

Masami Shibazaki 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: 5377113
    Abstract: In a navigation system for use in a vehicle, an administrative district and a first and a second roads are inputted by an input device. In the inputted administrative districts, an intersection formed by the inputted first and second roads is determined. The determined intersection is provided as at least one of a starting point intersection and a destination intersection. An optimum route from the starting point intersection to the destination intersection is computed.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: December 27, 1994
    Assignee: Zexel Corporation
    Inventors: Masami Shibazaki, Tatsuhiko Abe