Average Co-Inventor Count = 4.93
ph-index = 12
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. (19 from 169 patents)
2. At&t Labs, Inc. (5 from 74 patents)
3. Sbc Laboratories, Inc. (2 from 3 patents)
26 patents:
1. 7573997 - Local routing system and method
2. 7505575 - Method and system for processing telephone calls via a remote tie-line
3. 7295665 - Method and system for routing a communication through an alternate carrier
4. 7274786 - Method and system for processing telephone calls via a remote tie-line
5. 7242753 - Local routing system and method
6. 7206398 - System and method for forwarding call from disconnected telephone number to new telephone number
7. 7068771 - Method and network for routing a communication through an alternate carrier
8. 7065193 - Local routing system and method
9. 7054431 - Method and system for generating call data reports
10. 6985568 - Billing for abbreviated dialing plan service
11. 6795539 - Local routing system and method
12. 6771753 - Billing for abbreviated dialing plan service
13. 6724874 - Outgoing call screening
14. 6718028 - System and method for forwarding call from disconnected telephone number to new telephone number
15. 6697480 - Method and network for routing a communication through an alternate carrier