Average Co-Inventor Count = 2.46
ph-index = 2
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)
5 patents:
1. 9118510 - Voice over network (VoN)/voice over internet protocol (VoIP) architect having hotline and optional tie line
2. 8654949 - Methods, systems and computer program products for providing access to personal profiles in communications systems
3. 8477758 - Voice over network (VoN)/voice over internet protocol (VoIP) architect having hotline and optional tie line
4. 8139745 - Calling party ringtone selection in telephone system
5. 7573825 - Methods, apparatus and computer program products for testing a voice over Internet protocol communication system