US Patent Issued to CHENGDU TIANMA MICROELECTRONICS, SHANGHAI TIANMA MICRO-ELECTRONICS on Feb. 10 for "Phase shifter for a wireless communication device comprising a substrate having a transmission line and a two wire bias line, where one wire has greater sheet resistance than the other wire" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,871, issued on Feb. 10, was assigned to CHENGDU TIANMA MICROELECTRONICS Co. LTD. (Chengdu, China) and SHANGHAI TIANMA MICRO-ELECTRONICS Co. LTD. (Shanghai).

"Phase shifter for a wireless communication device comprising a substrate having a transmission line and a two wire bias line, where one wire has greater sheet resistance than the other wire" was invented by Yifan Xing (Shanghai), Baiquan Lin (Shanghai), Yifan Bao (Shanghai), Xiaonan Han (Shanghai), Taohua Chen (Shanghai), Linzhi Wang (Shanghai), Kerui Xi (Xiamen, China) and Shengwei Dai (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phase shifter and a wireless communication d...