Inventor

XIAO YADI

CN2 patents

Patents

2 patents

US11263627B2Mar 1, 2022

Card voucher use system, method, device and server

TENCENT TECH SHENZHEN CO LTD0 citations46

US10897692B2Jan 19, 2021

Service processing method, service processing apparatus, and storage medium

TENCENT TECH SHENZHEN CO LTD0 citations44