ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,944, issued on June 10, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Key filling method, system, and apparatus, device, and storage medium" was invented by Junjian Liu (Shenzhen, China), Weiming Yang (Shenzhen, China), Dongqing Huang (Shenzhen, China) and Runzeng Guo (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A key filling method includes transmitting first filling information to a server, the first filling information indicates to a security chip a filling permission of an electronic device; obtaining second filling information that includes a verification public key generated by the server. In accordance wit...