Average Co-Inventor Count = 4.62
ph-index = 9
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. (7 from 205 patents)
2. Ameritech Corporation (6 from 159 patents)
3. At&t Intellectual Property I, L.p. (5 from 16,478 patents)
4. At&t Knowledge Ventures, LP (2 from 71 patents)
5. Other (1 from 832,680 patents)
6. Sbc Holdings Properties, L.p. (1 from 4 patents)
22 patents:
1. 9014356 - Convenience features in a method and system for providing enhanced caller identification
2. 8416932 - Convenience features in a method and system for providing enhanced caller identification
3. 8139732 - Method and system for providing enhanced caller identification
4. 8126132 - Method and system for providing enhanced call waiting
5. 7961859 - Method and system for providing enhanced call waiting and caller identification
6. 7391859 - Method and system for providing enhanced call waiting
7. 7388952 - Method and system for providing enhanced call waiting
8. 7302049 - Convenience features in a method and system for providing enhanced caller identification
9. 7233651 - Method and system for providing enhanced call waiting and caller identification
10. 7227931 - Method and system for providing enhanced caller identification screening using audible caller name announcement
11. 7139383 - Method and system for providing enhanced call waiting
12. 7068761 - Method and system for canceling unwanted telephone calls
13. 6954521 - Method and system for providing enhanced call waiting and caller identification
14. 6829343 - Method and system for providing enhanced call waiting
15. 6765994 - Method and system for canceling unwanted telephone calls