Average Co-Inventor Count = 3.33
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. Sbc Properties, L.p. (2 from 205 patents)
2. At&t Intellectual Property I, LP (1 from 16,507 patents)
3. Ameritech Corporation (1 from 159 patents)
4 patents:
1. 7580514 - Method, system, and articles for providing a family telecommunication service
2. 7099453 - Method and apparatus for enhanced call routing in a telecommunication system
3. 7085363 - Methods, systems, and articles for providing a family telecommunication service
4. 6327354 - Methods, systems, and articles for providing a family telecommunication service