ALEXANDRIA, Va., July 15 -- United States Patent no. 12,663,938, issued on June 23, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Memory controller and memory system that executes error correction operation" was invented by Choung Ki Song (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory system may include: a memory device including a plurality of memory cells; and a memory controller configured to store, as a fail address, a first internal address that is generated during a first read operation when at least one memory cell that is accessed during the first read operation among the plurality of memory cells is determined to be a fail, and store, as alternative data, ...