ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,679, issued on May 19, was assigned to KT Corp. (Gyeonggi-do, South Korea).

"Method for performing communication using multiple USIMs and device therefor" was invented by Sung-pyo Hong (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a method and a device for performing communication by a UE with multiple USIMs that are in operation at the same time. The method may include determining, in a state of concurrent registration to one or more networks associated with multiple USIMs, release of one or more networks in a connected state, transmitting assistance information for instructing release to a base station or a core ne...