ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,775,420, issued on Oct. 27, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Non-volatile memory and storage device including the same" was invented by Junyeong Seok (Suwon-si, South Korea), Myungkyu Kim (Suwon-si, South Korea) and Eun Chu Oh (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory device includes a plurality of sub-blocks having different sizes and arranged in a vertical direction above a substrate, wherein a first sub-block and a second sub-block among the plurality of sub-blocks each includes a normal region and a reserved region configured to store data after at least some pieces of data s...