Inventor
HUANG WANXIANG
CN3 patents
Patents
3 patentsUS9826050B2Nov 21, 2017
Photo check-in method, apparatus, and system
TENCENT TECH SHENZHEN CO LTD5 citations71
US10057361B2Aug 21, 2018
Photo check-in method, apparatus, and system
TENCENT TECH SHENZHEN CO LTD0 citations50
US9391983B2Jul 12, 2016
Method and system for access control
TENCENT TECH SHENZHEN CO LTD0 citations49