ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,725, issued on April 15.

"Device and method for phase adjustment of receiver for PAM signaling" was invented by Taeho Kim (Seoul, South Korea), Hyosup Won (Seoul, South Korea), Jungi Jo (Incheon, South Korea), Kyoohyun Lim (Seoul, South Korea), Jake Eu (Seoul, South Korea), Jinho Park (Seoul, South Korea) and Hail Song (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure may provide a device and method for independent phase adjustment of a PAM receiver. The device includes: a plurality of samplers configured to perform sampling for signal level decision of multi-level input data; a global clock source configured t...