ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,183, issued on Sept. 30, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Semiconductor memory device and memory system" was invented by Sang Kyu Kang (Anyang-si, South Korea), Jieun Shin (Seongnam-si, South Korea), Hocheol Bang (Hwaseong-si, South Korea) and Haewon Lee (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor memory device includes a memory cell array including a plurality of memory cells and a control logic circuit configured to control the semiconductor memory device. The control logic circuit includes a mode register and a remaining lifetime calculating device configured to c...