Average Co-Inventor Count = 2.53
ph-index = 5
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. At&t Intellectual Property I, L.p. (17 from 16,478 patents)
2. Sbc Technology Resources, Inc. (2 from 169 patents)
3. At&t Labs, Inc. (2 from 74 patents)
4. At&t Mobility Ii LLC (1 from 2,865 patents)
22 patents:
1. 10397341 - Method and apparatus for migrating active communication session between terminals
2. 10064031 - Method and apparatus for migrating active communication session between terminals
3. 9756137 - Method and apparatus for migrating active communication session between terminals
4. 9537704 - Method and apparatus for migrating active communication session between terminals
5. 8737590 - System and method for handling multiple call redirections in a voice messaging system
6. 8693643 - Integrating visual voicemail within a threaded communication environment
7. 8693651 - Methods and apparatus for authorization and/or routing of outdial communication services
8. 8396198 - Methods and apparatus for authorization and/or routing of outdial communication services
9. 8311205 - System and method for handling multiple call redirections in a voice messaging system
10. 8238327 - Apparatus and methods for subscriber and enterprise assignments and resource sharing
11. 8102861 - Data and voice messaging system
12. 7924987 - Methods, apparatus and data structures for managing distributed communication systems
13. 7889717 - Multiservice use of network connection capability
14. 7839988 - Methods and apparatus for data structure driven authorization and/or routing of outdial communication services
15. 7830867 - Methods and apparatus to authorize and allocate resources for outdial communication services