Average Co-Inventor Count = 1.41
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 16,492 patents)
2. Bellsouth Intellectual Property Corporation (1 from 987 patents)
3 patents:
1. 8134930 - Methods of providing digital data services including comparing predicted and measured levels of performance and related systems and computer program products
2. 7653569 - Systems and methods for delivering advertisements
3. 6748064 - Systems and methods for least cost routing of long distance or international telephone calls