ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,653, issued on Oct. 20, was assigned to SK hynix Inc. (Icheon, South Korea).

"Memory system, memory controller and operating method of the memory system for controlling garbage collection" was invented by Gi Pyo Um (Icheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A memory system or memory controller may calculate a first data size, which is the sum of sizes of data requested to be written by write requests from outside the memory system after a first reference time point, calculate a second data size, which is the sum of sizes of data updated by the write requests among data already stored in the memory device from a second refere...