Average Co-Inventor Count = 4.92
ph-index = 14
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 Intellectual Property I, L.p. (20 from 16,478 patents)
2. Sbc Properties, L.p. (18 from 205 patents)
3. Ameritech Corporation (9 from 159 patents)
4. At&t Knowledge Ventures, LP (7 from 71 patents)
5. Sbc Technology Resources, Inc. (2 from 169 patents)
6. Sbc Services, Inc. (2 from 12 patents)
7. Other (1 from 832,680 patents)
8. At&t Labs, Inc. (1 from 74 patents)
9. At&t Services, Inc. (1 from 13 patents)
10. Sbc Holdings Properties, L.p. (1 from 4 patents)
11. At&t Teleholdings, Inc. (1 from 1 patent)
60 patents:
1. 9088646 - Method and system for providing enhanced caller identification information including total call control for all received calls
2. 8670541 - Method and system for providing enhanced caller identification information including total call control for all received calls
3. 8155293 - System and method for restricting and monitoring telephone calls
4. 8144858 - Unrecognized number identifier
5. 8139732 - Method and system for providing enhanced caller identification
6. 8126132 - Method and system for providing enhanced call waiting
7. 8045690 - Method and system for providing location information associated with a calling party
8. 7940905 - Method and system for providing calling name identification
9. 7924991 - Report data capture via billing module
10. 7907711 - System and method for notifying a user of a calling card balance
11. 7894592 - Automated operator assistance with menu options
12. 7822182 - System and method for communicating with an out of service telephone number
13. 7809122 - System and method for generating call records based on account codes
14. 7764774 - Allow toll free calls via dedicated access line (DAL) based upon origination
15. 7724886 - Method and system for providing enhanced caller identification information for subscribers that interface via private trunk groups