ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,329, issued on Dec. 2, was assigned to Hyundai Motor Co. (Seoul, South Korea), Kia Corp. (Seoul, South Korea) and Seoul National University R&DB Foundation (Seoul, South Korea).

"Superconducting motor system" was invented by Hyung Kwan Jang (Uijeongbu, South Korea), Byung Ho Min (Suwon, South Korea), Jun Hyeok Choi (Suwon, South Korea), Kyung Sik Choi (Seoul, South Korea), Tae Gyu Lee (Seoul, South Korea), Hoo Dam Lee (Seongnam, South Korea), Jonghoon Yoon (Seoul, South Korea), Geonyoung Kim (Seoul, South Korea), Chaemin Im (Seoul, South Korea), Jung Tae Lee (Seoul, South Korea), Seong Hyeon Park (Seoul, South Korea), Jeonghwan Park (Suwon, South Korea), Seungyong Hahn (Seoul, Sout...