Average Co-Inventor Count = 3.00
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. (3 from 16,481 patents)
2. At&t Knowledge Ventures, LP (1 from 71 patents)
3. Att Knowledge Ventures, L.p. (1 from 7 patents)
5 patents:
1. 9936237 - Method and apparatus for distributing geographically restricted video data in a television system
2. 9232250 - System and method for distributing geographically restricted video data in an internet protocol television system
3. 8566859 - Method and apparatus for distributing geographically restricted video data in an internet protocol television (IPTV) system
4. 7877767 - Method and apparatus for distributing geographically restricted video data in an internet protocol television (IPTV) system
5. 7774808 - Method and apparatus for distributing geographically restricted video data in an internet protocol television (IPTV) system