ALEXANDRIA, Va., May 19 -- United States Patent no. 12,632,552, issued on May 19, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor memory device and memory system including the same" was invented by Dongha Kim (Suwon-si, South Korea), Seungki Hong (Suwon-si, South Korea), Youngjae Park (Suwon-si, South Korea) and Dohan Kim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a memory cell array, an error correction code (ECC) engine, an error check and scrub (ECS) circuit, a row hammer management circuit and a refresh control circuit. The ECC engine generates an error generation signal based on a result of an ECC deco...