ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,543,320, issued on Feb. 3, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor memory device" was invented by Byeongjoo Ku (Suwon-si, South Korea), Keunnam Kim (Suwon-si, South Korea) and Kiseok Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a semiconductor substrate, a peripheral circuit structure disposed on the semiconductor substrate, and a cell array structure located on the peripheral circuit structure and including a memory cell array including a plurality of memory cells, wherein each of the plurality of memory cells of the cell array structure incl...