Patents by Inventor Hironori Yuzawa

Hironori Yuzawa 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: 8396640
    Abstract: A vehicle speed limit control device includes a vehicle speed limit setting portion that sets a vehicle speed limit according to a vehicle speed limit command value, a vehicle speed detecting portion, a driving force control portion, a vehicle speed limit command difference calculating portion that calculates a difference between an initial value of the vehicle speed limit command value immediately before an initial operation of the vehicle speed limit command processing and a changed value of the vehicle speed limit command value at a current operation, and a vehicle speed limit change rate regulating portion that regulates a rate of change of the vehicle speed limit by the vehicle speed limit setting portion in such a manner that the rate of change of the vehicle speed limit decreases with the vehicle speed limit command difference.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: March 12, 2013
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hironori Yuzawa, Masahiro Iriyama
  • Publication number: 20110160978
    Abstract: There is provided according to the present invention a vehicle speed limit control device for a vehicle, including: a vehicle speed limit setting portion that sets and changes a vehicle speed limit according to a vehicle speed limit command value that can be changed depending on the number of operations of a vehicle speed limit command means in compliance with a given time condition; a vehicle speed detecting portion that detects an actual vehicle speed of the vehicle; a driving force control portion that controls a driving force of the vehicle based on the vehicle speed limit and the actual vehicle speed; a vehicle speed limit command difference calculating portion that calculates a difference between an initial value of the vehicle speed limit command value immediately before an initial operation of the vehicle speed limit command means and a changed value of the vehicle speed limit command value at a current operation of the vehicle speed limit command means; and a vehicle speed limit change rate regulatin
    Type: Application
    Filed: May 21, 2009
    Publication date: June 30, 2011
    Inventors: Hironori Yuzawa, Masahiro Iriyama