ALEXANDRIA, Va., June 16 -- United States Patent no. 12,660,155, issued on June 16, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Method of manufacturing semiconductor memory devices" was invented by Seokho Shin (Seoul, South Korea), Taegyu Kang (Hwaseong-si, South Korea), Byeungmoo Kang (Busan, South Korea) and Joongchan Shin (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device including a substrate; a semiconductor pattern extending in a first horizontal direction on the substrate; bit lines extending in a second horizontal direction on the substrate perpendicular to the first horizontal direction, the bit lines being at a first end of th...