ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,589, issued on Nov. 11.

"Methods for activity-based memory maintenance operations and memory devices and systems employing the same" was invented by Dean D. Gans (Nampa, Idaho).

According to the abstract* released by the U.S. Patent & Trademark Office: "Memory devices and methods of operating memory devices in which maintenance operations can be scheduled on an as-needed basis for those memory portions where activity (e.g., operations in excess of a predetermined threshold) warrants a maintenance operation are disclosed. In one embodiment, an apparatus comprises a memory including a memory location, and circuitry configured to determine a count corresponding to a number of operat...