ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,940, issued on May 12, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Fuel cell system" was invented by Sho Akabori (Wako, Japan), Shuto Maniwa (Wako, Japan) and Tomoyuki Inoue (Wako, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel cell system includes a first battery, a second battery having a second battery voltage larger than the first battery voltage, and a step-down device for stepping down a voltage of the second battery. When the voltage supplied from the first battery to the control device is equal to or lower than the voltage threshold value, the control device supplies electric power to the bypass valve from the step-down device...