ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,428, issued on June 17, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).
"Cell having stacked pick-up region" was invented by Chung-Hui Chen (Hsinchu, Taiwan) and Hao-Chieh Chan (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit includes a p-type active zone located in an n-type well, an n-type active zone located in a p-type well, an n-type pick-up region located in the n-type well, and a p-type pick-up region located in the p-type well. The integrated circuit also includes a first power rail and a second power rail extending in a first direction, and a first conductive segment an...