Average Co-Inventor Count = 2.96
ph-index = 6
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. (37 from 16,478 patents)
2. Other (1 from 832,680 patents)
38 patents:
1. 10582064 - Method and apparatus for delivering IP multimedia subsystem services
2. 10497005 - Method for acquiring services on a multiplicity of devices
3. 10445705 - Method and apparatus for event notification
4. 10375664 - Methods and apparatus to provide extended voice over internet protocol (VoIP) services
5. 10127561 - Method for acquiring services on a multiplicity of devices
6. 9955025 - Method and apparatus for delivering IP multimedia subsystem services
7. 9820217 - Wireless local area network access controlled by cellular communications
8. 9647974 - Method and apparatus for event notification
9. 9565648 - Methods and apparatus to provide extended voice over internet protocol (VoIP) services
10. 9363297 - Method and apparatus for delivering IP multimedia subsystem services
11. 9344987 - Methods and apparatus to provide extended voice over internet protocol (VoIP) services
12. 9172801 - Method and apparatus for event notification
13. 9119225 - Centralized access control system and methods for distributed broadband access points
14. 9065978 - Method for acquiring services on a multiplicity of devices
15. 9049642 - Wireless local area network access controlled by cellular communications