ALEXANDRIA, Va., June 12 -- United States Patent no. 12,302,580, issued on May 13, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Gyeonggi-Do, South Korea).

"Semiconductor devices and data storage systems including the same" was invented by Sanghun Chun (Suwon-si, South Korea), Jihwan Kim (Suwon-si, South Korea), Shinhwan Kang (Suwon-si, South Korea) and Jeehoon Han (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a first substrate; active or passive circuits on the first substrate; a second substrate above the active or passive circuits; gate electrodes stacked on the second substrate to be spaced apart from each other in a first direction; chann...