Average Co-Inventor Count = 4.82
ph-index = 10
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 Technology Resources, Inc. (12 from 169 patents)
2. At&t Labs, Inc. (7 from 74 patents)
3. Sbc Laboratories, Inc. (2 from 3 patents)
21 patents:
1. 7983409 - Geographical call routing for a non-emergency calling service
2. 7853003 - Geographical call routing for a non-emergency calling service
3. 7653194 - Geographical call routing for a non-emergency calling service
4. 7443975 - Geographical call routing for a non-emergency calling service
5. 7295665 - Method and system for routing a communication through an alternate carrier
6. 7292688 - Geographical call routing for a non-emergency calling service
7. 7206398 - System and method for forwarding call from disconnected telephone number to new telephone number
8. 7203302 - Geographical call routing for a non-emergency calling service
9. 7068771 - Method and network for routing a communication through an alternate carrier
10. 7054432 - Geographical call routing for a non-emergency calling service
11. 6724882 - Geographical call routing for a non-emergency calling service
12. 6718028 - System and method for forwarding call from disconnected telephone number to new telephone number
13. 6697480 - Method and network for routing a communication through an alternate carrier
14. 6563917 - Geographical call routing for a non-emergency calling service
15. 6526136 - System and computer program for routing a dedicated number through alternate telephone carriers