ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,707, issued on July 29, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea) and KIA Corp. (Seoul, South Korea).

"Power net system for fuel cells and method for controlling the same" was invented by Hee Sung Yoon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a fuel cell power net system and a method for controlling the same. The fuel cell power net system includes: a fuel cell controller configured to control current output from a fuel cell unit; at least one DC/DC converter configured to boost DC voltage and to output the boosted DC voltage; a battery connected to the fuel cell unit in parallel so as to supp...