Average Co-Inventor Count = 4.97
ph-index = 11
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 (24 from 16,497 patents)
2. Sbc Properties, L.p. (13 from 205 patents)
3. At&t Knowledge Ventures, LP (5 from 75 patents)
4. Ameritech Corporation (4 from 159 patents)
5. Sbc Knowledge Ventures, L.p. (4 from 125 patents)
6. Sbc Services, Inc. (2 from 12 patents)
7. At&t Services, Inc. (1 from 13 patents)
8. At&t Teleholdings, Inc. (1 from 1 patent)
51 patents:
1. 10650862 - Method and device for transmitting audio and video for playback
2. 9237176 - Method and device for transmitting audio and video for playback
3. 9088646 - Method and system for providing enhanced caller identification information including total call control for all received calls
4. 8744052 - System and method for detecting false caller ID
5. 8731370 - Method and device for transmitting audio and video for playback
6. 8705703 - Emergency telephone call notification service system and method
7. 8670547 - Direct route ISDN primary route interface
8. 8670541 - Method and system for providing enhanced caller identification information including total call control for all received calls
9. 8363799 - Party information for data-capable communication device
10. 8155293 - System and method for restricting and monitoring telephone calls
11. 8144858 - Unrecognized number identifier
12. 7957509 - Voice enhancing for advance intelligent network services
13. 7929944 - Method and system for enabling a mobile user to manage calls
14. 7907715 - System and method for blocking a telephone call
15. 7809119 - Method and system for blocking incoming calls to mobile subscriber devices