ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,238,638, issued on Feb. 25, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).

"Method for controlling use of network slice, apparatus, and system" was invented by Zhuoming Li (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide a method for controlling use of a network slice, an apparatus, and a system. The method includes: A first network element receives a first message used to request access of a terminal device to a target network slice. The target network slice covers a plurality of regions including a first region, and the first region is a region in which the terminal device is currently ...