ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,119, issued on Sept. 1, was assigned to HUNAN UNIVERSITY (Changsha City, China).

"Relay station system for long-distance submarine superconducting cable" was invented by Yujia Zhai (Changsha City, China), Xingzheng Wu (Changsha City, China), Ying Xin (Changsha City, China), Liufei Shen (Changsha City, China), Litong Zhu (Changsha City, China), Jinduo Wang (Changsha City, China), Zhiqiang Zheng (Changsha City, China) and Shoudao Huang (Changsha City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a relay station system for a long-distance submarine superconducting cable, which relates to the field of relay stations. The relay statio...