Patents by Inventor Michio Izawa

Michio Izawa 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: 5471205
    Abstract: A display method for displaying one or more of the current point, the target point, or objective point on a display screen, the method suppressing a display of useless background and offering sufficient background for visual and geographical recognition of the displayed point. When displaying a map of an area about a display point, the displayed area is defined by a circular region having a predetermined radius and a fan-shaped region which spreads at a predetermined angle from a path to be followed by the current point.
    Type: Grant
    Filed: August 31, 1994
    Date of Patent: November 28, 1995
    Inventor: Michio Izawa
  • Patent number: 5385371
    Abstract: Objects of the present invention is to provide a method for coding indications on a printed map which is an analog map, namely, the content and location of a certain position directly from the analog map, and more particularly, to provide a method for coding a map formed so that the data to be recorded as digital map data and to be read from digital map data stored in a storage device can be formed easily and quickly, coding the content in the map of the indication and further coding the position thereof.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: January 31, 1995
    Inventor: Michio Izawa