Average Co-Inventor Count = 4.71
ph-index = 18
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. (21 from 205 patents)
2. Ameritech Corporation (18 from 159 patents)
3. At&t Intellectual Property I, L.p. (14 from 13,968 patents)
4. At&t Knowledge Ventures, LP (6 from 71 patents)
5. Other (2 from 831,952 patents)
6. Sbc Technology Resources, Inc. (2 from 169 patents)
7. Sbc Services, Inc. (2 from 12 patents)
8. At&t Intellectual Property I,l.p. (1 from 147 patents)
9. At&t Labs, Inc. (1 from 74 patents)
10. At&t Services, Inc. (1 from 13 patents)
11. Sbc Holdings Properties, L.p. (1 from 4 patents)
12. At&t Teleholdings, Inc. (1 from 1 patent)
67 patents:
1. 9088646 - Method and system for providing enhanced caller identification information including total call control for all received calls
2. 9014356 - Convenience features in a method and system for providing enhanced caller identification
3. 8705703 - Emergency telephone call notification service system and method
4. 8670541 - Method and system for providing enhanced caller identification information including total call control for all received calls
5. 8416932 - Convenience features in a method and system for providing enhanced caller identification
6. 8139732 - Method and system for providing enhanced caller identification
7. 8126132 - Method and system for providing enhanced call waiting
8. 7903805 - Method and system for providing enhanced call waiting
9. 7894592 - Automated operator assistance with menu options
10. 7822182 - System and method for communicating with an out of service telephone number
11. 7804946 - Method and system for providing enhanced caller identification
12. 7706513 - Distributed text-to-speech synthesis between a telephone network and a telephone subscriber unit
13. 7580515 - Method and system for providing enhanced caller identification information including total call control for all received calls
14. 7502457 - Outbound call rules routing
15. 7450701 - Method and system for presenting customized call alerts in a service for internet caller identification