Average Co-Inventor Count = 2.00
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 (1 from 16,497 patents)
2. Sbc Properties, L.p. (1 from 205 patents)
3. Ameritech Corporation (1 from 159 patents)
4. Sbc Holdings Properties, L.p. (1 from 4 patents)
4 patents:
1. 7508926 - Method and system for creating a billing record with a called party's name
2. 7149292 - System and method for creating a billing record with a called party's name
3. 6868147 - System and method for creating a billing record with a called party's name
4. 6459779 - System and method for creating a billing record with a called party's name