Average Co-Inventor Count = 6.00
ph-index = 4
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. Ameritech Corporation (4 from 159 patents)
2. Sbc Properties, L.p. (1 from 205 patents)
5 patents:
1. 7386106 - Method, system, and database for providing a telecommunication service
2. 6731736 - Method, system, and database for providing a telecommunication service
3. 6516057 - Method, system, and database for providing a telecommunication service
4. 6327357 - Method, system, and database for providing a telecommunication service
5. 6148070 - Method, system, and database for providing a telecommunication service