ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,078, issued on Nov. 11, was assigned to WONIK PNE Co. LTD. (Suwon-si, South Korea).

"Controller for controlling converter charging and discharging battery and charger and discharger" was invented by Sooyong Chae (Suwon-si, South Korea), Hyoungjoong Kim (Suwon-si, South Korea), Minki Cho (Suwon-si, South Korea), Kyungrok Kim (Suwon-si, South Korea) and Chanwoong An (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a charger and discharger of a battery. The charger and discharger includes a converter, the converter including a transformer, a first switching circuit configured to form a current path between the power so...