Average Co-Inventor Count = 7.00
ph-index = 3
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 (2 from 16,497 patents)
2. Sbc Knowledge Ventures, L.p. (1 from 125 patents)
3 patents:
1. 8073119 - Shared usage telecommunications billing system and method
2. 7987122 - Shared usage telecommunications billing system and method
3. 7321656 - Shared usage telecommunications billing system and method