ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,621, issued on May 12, was assigned to SK hynix Inc. (Gyeonggi-do, South Korea).

"Data storage device and method of operating the same using primary and secondary indexes" was invented by In Hyuk Park (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data storage device includes: a memory device including a plurality of first storage areas and a plurality of second storage areas, each of which stores a primary index corresponding to a primary key provided from a host and a primary value corresponding to the primary index, and a memory controller for controlling the memory device. The memory controller is configured to generat...