ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,291, issued on Sept. 23, was assigned to SK hynix Inc. (Gyeonggi-do, South Korea).

"Memory device and memory system for using read compensation scheme and operating method of the same" was invented by Seon Ju Lee (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory device includes: a plurality of memory blocks each including a plurality of word lines, a control operation circuit configured to perform a read operation on each of the plurality of word lines, and a control logic configured to: store a plurality of default levels, which respectively correspond to the memory blocks, in an information storage region therein, ...