ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,252, issued on March 4, was assigned to Ricoh Co. Ltd. (Tokyo).

"Automatic tuning compensation mechanism" was invented by Ziling Zhang (Boulder, Colo.), Farnaz Hajiahmadi Foomani (Milwaukee) and Mikel Stanich (Boulder, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printing system is disclosed. The printing system includes at least one physical memory device to store compensation logic and one or more processors coupled with the at least one physical memory device to execute the compensation logic to receive measurement data corresponding to a print medium printed with a plurality of non-functioning pel forming elements, a plurality of funct...