Patents by Inventor Takuji Kawabata

Takuji Kawabata 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).

  • Vehicle control apparatus for front and rear drive ratio on the basis of operator's desired vehicle drive force and static and dynamic vehicle states
    Patent number: 6549840
    Abstract: A vehicle control apparatus for controlling a four-wheel-drive automotive vehicle of a type which comprises a first drive power source for driving one of a pair of front wheels and a pair of rear wheels, and a second drive power source for driving the other of the pairs of front and rear wheels, wherein an operator's desired value of a vehicle drive force for driving the automotive vehicle is obtained on the basis of an amount of operation of a manually operated vehicle accelerating member and a running speed of the vehicle, and a front drive force for driving the pair of front wheels and a rear drive force for driving the pair of rear wheels are controlled on the basis of a static and a dynamic state of the vehicle such that a sum of the front drive force and the rear drive force is equal to the obtained operator's desired value of the vehicle drive force.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: April 15, 2003
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tsuyoshi Mikami, Koichi Kondo, Takuji Kawabata