ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,721, issued on Feb. 25, was assigned to Hyundai Motor Co. (Seoul, South Korea), Kia Corp. (Seoul, South Korea) and THN Corp. (Daegu, South Korea).

"Power supply system for autonomous vehicle and control method thereof" was invented by Sang Wook Park (Hwaseong-si, South Korea), Je Hyun Kim (Seoul, South Korea), Young Ho Kim (Seoul, South Korea), Kuk Hyeon Yoo (Seoul, South Korea) and Oh Kab Kwon (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment a power supply system includes a low voltage DC/DC converter (LDC) configured to convert a high voltage into a low voltage, a main battery configured to be charged by the LDC ...