ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,609, issued on June 17, was assigned to Nissan Motor Co. Ltd. (Yokohama, Japan).
"Method for controlling fuel cell system and fuel cell system" was invented by Hiroshi Uchida (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control method for controlling a fuel cell system includes: setting a fuel composition and a fuel flow rate to a combustor as unknown numbers and setting conditions of an air flow rate to the combustor; estimating composition ratios of the components constituting the mixed gas based on simultaneous equations including at least one of a first characteristic equation based on a relationship between an amount of air...