Average Co-Inventor Count = 2.40
ph-index = 1
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. (2 from 16,488 patents)
2 patents:
1. 8861507 - Systems and methods for automatic public switched telephone network backup of voice over internet protocol services
2. 7768997 - Systems and methods for automatic public switched telephone network backup of voice over internet protocol services