Average Co-Inventor Count = 4.00
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. At&t Labs, Inc. (2 from 74 patents)
2. At&t Services, Inc. (2 from 13 patents)
3. Sbc Technology Resources, Inc. (1 from 169 patents)
4. Sbc Services, Inc. (1 from 12 patents)
3 patents:
1. 7369651 - System and method for creating and accessing outgoing telephone call log
2. 7187760 - System and method for creating and accessing outgoing telephone call log
3. 6904137 - System and method for creating and accessing outgoing telephone call log