Average Co-Inventor Count = 12.00
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, LP (1 from 16,497 patents)
2. Sbc Properties, L.p. (1 from 205 patents)
2 patents:
1. 8670547 - Direct route ISDN primary route interface
2. 7406165 - Direct route ISDN primary route interface