ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,524, issued on May 13, was assigned to SATO HOLDINGS K.K. (Tokyo).

"Printer, printer control method of printer and non-transitory computer-readable medium" was invented by Hidekazu Arai (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A printer includes: a controller configured to: acquire a plurality of radio wave strengths of a plurality of RFID signals, each RFID signal being from an RFID included in each of a plurality of printing media, set a threshold based on the acquired plurality of the radio wave strengths, and determine whether or not each RFID is normal based its respective radio wave strength and the set threshold."

The p...