Average Co-Inventor Count = 4.35
ph-index = 9
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. Ameritech Corporation (12 from 159 patents)
2. Sbc Properties, L.p. (10 from 205 patents)
3. At&t Intellectual Property I, LP (7 from 16,507 patents)
4. At&t Knowledge Ventures, LP (3 from 75 patents)
5. Sbc Services, Inc. (2 from 12 patents)
6. Other (1 from 832,912 patents)
7. Sbc Technology Resources, Inc. (1 from 169 patents)
8. At&t Labs, Inc. (1 from 74 patents)
9. At&t Services, Inc. (1 from 13 patents)
10. At&t Teleholdings, Inc. (1 from 1 patent)
36 patents:
1. 8705703 - Emergency telephone call notification service system and method
2. 8670547 - Direct route ISDN primary route interface
3. 8611513 - Methods and telecommunications system for transmitting a facsimile message
4. 8300786 - Method and telecommunications system for transmitting a facsimile message
5. 8036354 - Calling-party-pays call processing for cellular and paging
6. 7957509 - Voice enhancing for advance intelligent network services
7. 7599912 - Structured query language (SQL) query via common object request broker architecture (CORBA) interface
8. 7450701 - Method and system for presenting customized call alerts in a service for internet caller identification
9. 7406165 - Direct route ISDN primary route interface
10. 7403603 - Method of billing in an abbreviated dialing service
11. 7366292 - Call management reports
12. 7317787 - Voice enhancing for advance intelligent network services
13. 7292682 - Method and telecommunication system for transmitting a facsimile message
14. 7286659 - Method and system for termination blocking of message delivery service in a switch-based telecommunication system
15. 7257209 - Calling-party-pays call processing for cellular and paging