Average Co-Inventor Count = 4.46
ph-index = 16
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, LP (21 from 16,492 patents)
2. Sbc Properties, L.p. (18 from 205 patents)
3. Ameritech Corporation (13 from 159 patents)
4. Sbc Knowledge Ventures, L.p. (4 from 125 patents)
5. At&t Knowledge Ventures, LP (4 from 71 patents)
6. Other (2 from 832,843 patents)
7. Sbc Services, Inc. (2 from 12 patents)
8. Sbc Holdings Properties, L.p. (2 from 4 patents)
9. Sbc Technology Resources, Inc. (1 from 169 patents)
10. At&t Labs, Inc. (1 from 74 patents)
11. At&t Services, Inc. (1 from 13 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. 8781091 - Method and system for providing enhanced caller identification information including screening invalid calling party numbers
4. 8670547 - Direct route ISDN primary route interface
5. 8670541 - Method and system for providing enhanced caller identification information including total call control for all received calls
6. 8416932 - Convenience features in a method and system for providing enhanced caller identification
7. 8284912 - Method and system for providing enhanced caller identification information including screening invalid calling party numbers
8. 8155293 - System and method for restricting and monitoring telephone calls
9. 8139732 - Method and system for providing enhanced caller identification
10. 8014508 - Access code enhancement for caller preview service
11. 7929944 - Method and system for enabling a mobile user to manage calls
12. 7907715 - System and method for blocking a telephone call
13. 7809122 - System and method for generating call records based on account codes
14. 7804946 - Method and system for providing enhanced caller identification
15. 7760863 - Method and system of providing caller identification with name