ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,811, issued on Sept. 8, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Login authentication system and method, and electronic device" was invented by Yonghua Lu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The system includes a first server and a first device. The first server is configured to send device information of a first device set to the first device. The first device set includes at least one device. Each device in the first device set is associated with the first device. The first device set includes a second device, and the second device is configured with a first subscriber identity module SIM card. T...