ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,597, issued on Feb. 3, was assigned to CHINA UNIONPAY Co. LTD. (Shanghai).

"Electronic device" was invented by Fen Zou (Shanghai), Chengqian Chen (Shanghai), Dingzhou Li (Shanghai) and Xin Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device and a trusted application calling method are provided. After a client application initiates call information, a trusted application development platform receives the call information, determines a native trusted application corresponding to first identification information of the electronic device carried by the calling information from native trusted applications corresponding to at...