ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,747, issued on Oct. 28, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor device and data storage system including the same" was invented by Hyemin Yoo (Suwon-si, South Korea), Woosung Yang (Hwaseong-si, South Korea), Sukkang Sung (Seongnam-si, South Korea) and Ahreum Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a first structure having first and second memory regions, an extension region therebetween, and word lines; and a second structure having a circuit region overlapping the extension region. The word lines include first and second common word lines ...