ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,453, issued on May 26, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Gyeonggi-do, South Korea).

"Memory system and method of operating the same" was invented by Subin Seo (Suwon-si, South Korea), Jisoo Kim (Suwon-si, South Korea), Kyung-Woo Noh (Suwon-si, South Korea) and Younsung Chu (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a memory system which includes a non-volatile memory device, and a memory controller configured to control the non-volatile memory device. The memory controller includes a key index table including an extended key index associated with a logical address from a host device and an encryptio...