Average Co-Inventor Count = 5.65
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 Properties, L.p. (10 from 205 patents)
2. Ameritech Corporation (8 from 159 patents)
3. At&t Intellectual Property I, L.p. (5 from 16,478 patents)
4. At&t Knowledge Ventures, LP (3 from 71 patents)
5. Other (1 from 832,680 patents)
6. Sbc Technology Resources, Inc. (1 from 169 patents)
7. At&t Labs, Inc. (1 from 74 patents)
8. Sbc Holdings Properties, L.p. (1 from 4 patents)
30 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. 7706513 - Distributed text-to-speech synthesis between a telephone network and a telephone subscriber unit
6. 7409046 - Method and system for providing enhanced call waiting with verification and name change service
7. 7391859 - Method and system for providing enhanced call waiting
8. 7388952 - Method and system for providing enhanced call waiting
9. 7302049 - Convenience features in a method and system for providing enhanced caller identification
10. 7242754 - System and method for implementing and accessing call forwarding services
11. 7227931 - Method and system for providing enhanced caller identification screening using audible caller name announcement
12. 7139383 - Method and system for providing enhanced call waiting
13. 7099441 - Method and system for providing enhanced call waiting with verification and name change service
14. 7068761 - Method and system for canceling unwanted telephone calls
15. 6993121 - Method and system for text-to-speech conversion of caller information