ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,488, issued on July 8, was assigned to Shanghai Institute of Technical Physics Chinese Academy of Sciences (Shanghai, Japan).

"Sub-kelvin temperature zone refrigeration mechanism" was invented by Shaoshuai Liu (Shanghai), Yinong Wu (Shanghai), Xiaoshan Pan (Shanghai), Zhenhua Jiang (Shanghai), Lei Ding (Shanghai), Xinquan Sha (Shanghai), Jiantang Song (Shanghai), Zhichao Chen (Shanghai), Baoyu Yang (Shanghai), Zhi Lu (Shanghai) and Zheng Huang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a sub-Kelvin temperature zone refrigeration mechanism. The sub-Kelvin temperature zone refrigeration mechanism includes a pulse tube refrige...