Average Co-Inventor Count = 8.22
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. Southwestern Bell Communications Services, Inc. (4 from 7 patents)
2. Pacific Telesis Shared Services (4 from 5 patents)
3. At&t Services, Inc. (2 from 13 patents)
4. Sbc Services, Inc. (2 from 12 patents)
5. At&t Intellectual Property I, LP (1 from 16,497 patents)
6. Sbc Knowledge Ventures, L.p. (1 from 125 patents)
6 patents:
1. 8548138 - Method and system for presenting billing information according to a customer-defined hierarchal structure
2. 8073119 - Shared usage telecommunications billing system and method
3. 7653187 - Method and system for presenting billing information according to a customer-defined hierarchal structure
4. 7321656 - Shared usage telecommunications billing system and method
5. 7154998 - Method and system for presenting billing information according to a customer-defined hierarchal structure
6. 6965668 - Method and system for presenting billing information according to a customer-defined hierarchal structure