ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,560, issued on May 27, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).

"Integrated circuit device and manufacturing method of the same" was invented by Huai-Ying Huang (New Taipei, Taiwan) and Yu-Ming Lin (Hsinchu, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device is disclosed, including a latch circuit, a first pass-gate transistor, and a second pass-gate transistor. The latch circuit stores a bit data and is arranged in a first layer. The first pass-gate transistor and the second pass-gate transistor are arranged in a second layer separated from the first layer. The first pass-gate transistor is coup...