ALEXANDRIA, Va., March 19 -- United States Patent no. 12,256,545, issued on March 18, was assigned to SAMSUNG ELECTRONICS Co. LTD. (South Korea).

"Semiconductor devices and data storage systems including the same" was invented by Yonghoon Son (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a semiconductor structure that includes a substrate having a first region and a second region, gate electrodes stacked and spaced apart from each other in a first direction, extend at different lengths in a second direction on the second region, and include pad regions, interlayer insulating layers alternately stacked with the gate electrodes, channel structures penetr...