ALEXANDRIA, Va., April 21 -- United States Patent no. 12,610,523, issued on April 21, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Semiconductor memory devices" was invented by Euichul Jeong (Yongin-si, South Korea), Kiseok Lee (Hwaseong-si, South Korea), Wonki Roh (Yongin-si, South Korea) and Hyungeun Choi (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device including a transistor body extending in a first horizontal direction and including a first source/drain region, a single-crystal channel layer, and a second source/drain region sequentially arranged in the first horizontal direction, a gate electrode layer extending in a second ho...