ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,214,768, issued on Feb. 4, was assigned to Nissan Motor Co. Ltd. (Yokohama, Japan).

"Driving force control method and driving force control device" was invented by Tadashi Iwamoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A step corresponding control of adjusting driving force of the front wheel motor and driving force of the rear wheel motor when the vehicle passes through a step is executed. In the step corresponding control, after a front wheel ride-up timing at which the front wheel rides up the step and before a rear wheel ride-up timing at which the rear wheel rides up the step, a first control mode in which the front wheel mo...