Average Co-Inventor Count = 4.00
ph-index = 5
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. (6 from 74 patents)
2. Sbc Technology Resources, Inc. (4 from 169 patents)
10 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. 7292688 - Geographical call routing for a non-emergency calling service
6. 7203302 - Geographical call routing for a non-emergency calling service
7. 7054432 - Geographical call routing for a non-emergency calling service
8. 6724882 - Geographical call routing for a non-emergency calling service
9. 6563917 - Geographical call routing for a non-emergency calling service
10. 6330324 - Geographical call routing for a non-emergency calling service