ALEXANDRIA, Va., May 19 -- United States Patent no. 12,634,862, issued on May 19, was assigned to VIVO MOBILE COMMUNICATION Co. LTD. (Dongguan, China).
"Service registration method, terminal, and network side device" was invented by Yuanze Mao (Dongguan, China), Zong-Ying Tsai (Dongguan, China), Yuan-Chieh Lin (Dongguan, China), Yanchao Kang (Dongguan, China), Wen Wang (Dongguan, China) and Zhenhua Xie (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A service registration method, a terminal, and a network side device are provided. The terminal includes a first subscriber identity card module associated with a first subscriber identity card and a second subscriber identity card module associat...