Average Co-Inventor Count = 2.25
ph-index = 2
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 16,488 patents)
2. Z-tel Technologies, Inc. (1 from 2 patents)
3 patents:
1. 8655333 - Methods, systems, and computer program products for establishing settings of communications service features
2. 8041745 - Methods for managing aggregated address books
3. 6587555 - Virtual PBX