Patents by Inventor Tomoyo Hayashi

Tomoyo Hayashi 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).

  • Navigation system, abridged map distribution apparatus and vehicle guiding method
    Patent number: 7231297
    Abstract: The navigation system according to the present invention, which guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating the direction of the next turn instead of displaying a map includes a decision-making device that makes a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon the current position of the subject vehicle, an abridged map generating device that generates an abridged map by abridging a map based upon map data and a display control device that displays at the display monitor the abridged map and the subject vehicle position if the decision-making device determines that the subject vehicle is not currently located on the recommended route.
    Type: Grant
    Filed: March 4, 2005
    Date of Patent: June 12, 2007
    Assignee: Xanavi Informatics Corporation
    Inventors: Akio Sumizawa, Tomoyo Hayashi
  • Navigation system, abridged map distribution apparatus and vehicle guiding method
    Publication number: 20050216191
    Abstract: The navigation system according to the present invention, which guides a subject vehicle to a destination by displaying at a display monitor an arrow indicating the direction of the next turn instead of displaying a map includes a decision-making device that makes a decision as to whether or not the subject vehicle is currently located on a recommended route to a destination set in advance based upon the current position of the subject vehicle, an abridged map generating device that generates an abridged map by abridging a map based upon map data and a display control device that displays at the display monitor the abridged map and the subject vehicle position if the decision-making device determines that the subject vehicle is not currently located on the recommended route.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 29, 2005
    Applicant: Xanavi Informatics Corporation
    Inventors: Akio Sumizawa, Tomoyo Hayashi