ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,679, issued on June 3, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Integrated circuit, system and method of forming the same" was invented by Shih-Wei Peng (Hsinchu, Taiwan), Te-Hsin Chiu (Hsinchu, Taiwan) and Jiann-Tyng Tzeng (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit includes a first power rail, a first signal line, a first transistor and a second transistor. The first power rail is on a back-side of a substrate and is configured to supply a first supply voltage. The first signal line is on the back-side of the substrate and is separated from the first power rail. Th...