Average Co-Inventor Count = 3.69
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. (4 from 16,478 patents)
4 patents:
1. 7924991 - Report data capture via billing module
2. 7907711 - System and method for notifying a user of a calling card balance
3. 7764774 - Allow toll free calls via dedicated access line (DAL) based upon origination
4. 7529355 - Report data capture via billing module