17 US patents granted on 09 April 2013 and assigned to Huawei
| 1 | 8,418,242 | Method, system, and device for negotiating SA on IPv6 network |
| 2 | 8,417,767 | Call control method, device, and system |
| 3 | 8,417,684 | Method, system, and device for searching for information and method for registering vertical search engine |
| 4 | 8,417,521 | Method, device and system for implementing speech recognition function |
| 5 | 8,417,473 | Method for estimating inter-channel delay and apparatus and encoder thereof |
| 6 | 8,417,246 | Method for providing information in a cellular wireless communication system |
| 7 | 8,417,240 | Method, system and apparatus for using IMS communication service identifier |
| 8 | 8,416,901 | Method and apparatus for detecting clock frequency deviation |
| 9 | 8,416,892 | Method and apparatus of transmitting a random access preamble |
| 10 | 8,416,787 | Method, system and apparatus for implementing L2VPN between autonomous systems |
| 11 | 8,416,747 | Method and device for path switchover |
| 12 | 8,416,723 | Method, system, and device for establishing association-control relations |
| 13 | 8,416,712 | Method and device for installing and distributing routes |
| 14 | 8,416,695 | Method, device and system for network interception |
| 15 | 8,416,683 | Method for protecting data service in metropolitan area transport network |
| 16 | 8,416,682 | Method and implementing apparatus for cooperative multi-hop routing in wireless network |
| 17 | 8,416,314 | Method and system for processing images |
