Average Co-Inventor Count = 3.24
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. (9 from 16,478 patents)
9 patents:
1. 9270473 - Method and apparatus for VOIP roaming
2. 8671425 - Methods, systems and computer program products for providing ad insertion via a multimedia applications gateway
3. 8630299 - Customer premises equipment border element for voice over internet protocol services
4. 8428582 - Method and apparatus for VoIP roaming
5. 8365215 - Methods, systems and computer program products for providing ad insertion via a multimedia applications gateway
6. 8190148 - Method and apparatus for VoIP roaming
7. 8176112 - Systems, methods, and products for multimedia applications gateways
8. 7941528 - Methods, systems and computer program products for providing a multimedia applications gateway
9. 7545745 - Method and apparatus for controlling the quality of service of voice and data services over variable bandwidth access networks