Inventor

CAI YONGFENG

CN3 patents

⚠️ This page may combine multiple inventors who share the name “CAI YONGFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LU XUANMING

2 patents

US8824657B2Sep 2, 2014

Providing ring back tones in a communication network

LU XUANMING0 citations42

US8060087B2Nov 15, 2011

CDMA intelligent network system and its method, device for realizing international roaming service

LU XUANMING0 citations30

HUAWEI TECH CO LTD

1 patent

US7889856B2Feb 15, 2011

System and method for providing RBT in communication network

HUAWEI TECH CO LTD3 citations56