ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,766, issued on Oct. 6, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Calibration devices and operating methods thereof" was invented by Jichull Jeong (Suwon-si, South Korea), Youngwoo Park (Suwon-si, South Korea), Seungjin Park (Suwon-si, South Korea), Jindo Byun (Suwon-si, South Korea), Seunghoon Lee (Suwon-si, South Korea), Eunsang Lee (Suwon-si, South Korea) and Chaekang Lim (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a memory device which includes a driver unit that includes a pull-up driver and a pull-down driver, a ZQ calibration unit that performs ZQ calibration with respect to th...