Huawei patents granted on 06 November 2012

6 US patents granted on 06 November 2012 and assigned to Huawei

1 D670,263 Telephone
2 8,307,447 Method and apparatus for making system constraint of a specified permission in the digital rights management
3 8,307,049 Method and device for obtaining media description information of IPTV services
4 8,306,549 Method and apparatus for suppressing inter-cell interference
5 8,306,531 System and apparatus for mobile CS users to access IMS network and registration method for accessing
6 8,305,925 Method, apparatus and system for transporting multi-lane ethernet signal