Average Co-Inventor Count = 2.27
ph-index = 4
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, LP (4 from 16,488 patents)
2. Bellsouth Intellectual Property Corporation (1 from 987 patents)
5 patents:
1. 11140271 - Apparatuses and methods for determining usage of a wireless communication service
2. 10116805 - Apparatuses and methods for determining usage of a wireless communication service
3. 10027819 - Systems and methods for charging and billing
4. 9064275 - Systems and methods for charging and billing in converged communications networks
5. 6870899 - ADSL loop qualification systems and methods