ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,903, issued on Oct. 20, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Fuel cell system" was invented by Tatsuya Fukami (Toyota, Japan), Kenji Sato (Kasugai, Japan) and Hiroaki Mori (Ogaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell system for a load device may include a fuel cell, a battery, and a controller configured to control the fuel cell and the battery. The controller may be configured to: cumulatively calculate first accumulated electric energy generated by the fuel cell; cumulatively calculate a power generation efficiency average at the time of storage of the first accumulated electric energy; calculate requir...