ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,660, issued on April 22, was assigned to CHONGQING UNIVERSITY (Chongqing, China), CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co. LTD. (Chongqing, China) and CHONGQING CHANGAN AUTOMOBILE Co. LTD. (Chongqing, China).

"Transmission system capable of implementing four-wheel drive and operating model thereof" was invented by Minghui Hu (Chongqing, China), Anjian Zhou (Chongqing, China), Dongyang Wang (Chongqing, China), Ling Su (Chongqing, China), Chunyun Fu (Chongqing, China), Kaibin Cao (Chongqing, China), Datong Qin (Chongqing, China), Chenghao Deng (Chongqing, China), Dongye Sun (Chongqing, China), Guoqing Jin (Chongqing, China), Jianjun Hu (Chongqing, China), Wankai Shi (Ch...