ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,143, issued on July 1, was assigned to Taiwan Semiconductor Manufacturing Co. Ltd. (Hsinchu, Taiwan).

"Voltage regulator with power rail tracking" was invented by Haruki Mori (Hsinchu, Taiwan), Hidehiro Fujiwara (Hsinchu, Taiwan), Zhi-Hao Chang (Yunlin County, Taiwan), Yangsyu Lin (New Taipei, Taiwan), Yu-Hao Hsu (Tainan, Taiwan), Yen-Huei Chen (Jhudong Township, Taiwan), Hung-Jen Liao (Hsinchu, Taiwan) and Chiting Cheng (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point,...