Average Co-Inventor Count = 6.54
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, L.p. (2 from 16,478 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. 7711102 - Automatically sequentially ringing alternative telephone numbers
3. 7194080 - Automatically sequentially ringing alternative telephone numbers