ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,275, issued on Nov. 11, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Power system" was invented by Kenji Taruya (Saitama, Japan) and Daishi Igarashi (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The power system includes a fuel cell stack, a system accessory, a battery, and a control device. The control device executes, based on a state of a vehicle and the battery, one of the following processes: a normal power generation process during which the control device makes a net output greater than 0; a first idling stop process during which the control device makes the net output equal to or less than 0 while continuing operation of t...