ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,419,064, issued on Sept. 16, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Trench capacitor" was invented by Tao-Cheng Liu (Hsinchu, Taiwan), Shih-Chi Kuo (Hsinchu, Taiwan), Tsai-Hao Hung (Hsinchu, Taiwan) and Tsung-Hsien Lee (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a substrate, a first multilayer capacitor, and a second multilayer capacitor. The first multilayer capacitor includes a first plurality of conductive layers. The semiconductor device further includes a first set of contacts including a first contact electrically connected to a first conductive layer...