Average Co-Inventor Count = 3.51
ph-index = 3
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. (5 from 16,481 patents)
2. Sbc Knowledge Ventures, L.p. (1 from 125 patents)
6 patents:
1. 9294738 - System and method of security monitoring
2. 8798286 - System and method of providing audio content
3. 8014542 - System and method of providing audio content
4. 7808978 - Voice over internet protocol (VoIP) telephone apparatus and communication system for carrying VoIP traffic
5. 7743411 - Method and apparatus for voice over internet protocol telephony using a virtual private network
6. 7342920 - Voice over internet protocol (VoIP) telephone apparatus and communications systems for carrying VoIP traffic