ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,407, issued on April 15, was assigned to JAPAN AEROSPACE EXPLORATION AGENCY (Japan).
"Method for controlling fuel cell device" was invented by Yoshitsugu Sone (Chofu, Japan) and Motohiko Sato (Sagamihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of controlling a fuel cell device includes: a step of supplying hydrogen to a hydrogen supply unit; a step of measuring a voltage between a fuel electrode and an oxidant electrode and determining whether the voltage is equal to or greater than a reference voltage; and a step of discharging a gas containing oxygen from the gas supply unit to the outside while supplying the gas to the gas s...