ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,197, issued on Oct. 6, was assigned to TECHWIN Co. LTD. (Cheongju-si, South Korea).

"Power management system" was invented by Jung Sik Kim (Sejong-si, South Korea), Hyun Su Shin (Daejeon, South Korea) and Sun Teak Hyun (Cheongju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aspect of the present disclosure provides a power management system including: a power source that includes a power system for providing main power to a load and a renewable energy generation part for providing auxiliary power; a power conversion part that converts a surplus of at least one of the main power and the auxiliary power; a water electrolysis part th...