Average Co-Inventor Count = 11.92
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. Sbc Properties, L.p. (6 from 205 patents)
2. At&t Intellectual Property I, L.p. (4 from 16,478 patents)
3. Ameritech Corporation (2 from 159 patents)
12 patents:
1. 8155296 - Method, system, and article for audibly identifying a called party
2. 7940907 - Method, system, and article for placing a telephone call to a previously-called party
3. 7577243 - Method, system, and article for determining an availability of a telecommunication device
4. 7450707 - Method, system, and article for audibly identifying a called party
5. 7257198 - Method, system, and article for informing a telecommunication customer of a future performance estimate for a telecommunication feature
6. 7218717 - Method, system, and article for audibly identifying a called party
7. 7203296 - Method, system, and article for placing a telephone call to a previously-called party
8. 7180995 - Method and apparatus for demonstrating telecommunications products
9. 6876739 - Method and apparatus for demonstrating telecommunications products
10. 6674839 - Method, system, and article for informing a telecommunication customer of a future performance estimate for a telecommunication feature
11. 6603853 - Method and apparatus for demonstrating telecommunications products
12. 6463143 - Method system and article for audibly identifying a called party