ALEXANDRIA, Va., June 18 -- United States Patent no. 12,327,894, issued on June 10, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Apparatus for controlling fuel cell system and method thereof" was invented by Won Sik Jeong (Gyeonggi-do, South Korea) and Jae Gwang Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for controlling a cold start and a cold shutdown (CSD) of a fuel cell system and a method thereof are provided. A monitoring device may individually monitor at least one of an amount of accumulated power and/or an accumulated driving time of one or more fuel cell stacks. A controller may select a representative fuel cell ...