Average Co-Inventor Count = 2.69
ph-index = 8
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. (8 from 16,478 patents)
2. Bellsouth Intellectual Property Corporation (5 from 987 patents)
3. At&t Delaware Intellectual Property Corporation, Inc. (1 from 178 patents)
4. Bellsouth IP Corporation (1 from 6 patents)
15 patents:
1. 8606909 - Real-time notification of presence availability
2. 8194846 - Transfer function for messaging platform in public telephone system
3. 8090821 - Real-time notification of presence changes
4. 8036364 - Transfer function for messaging platform in public telephone system
5. 7945038 - Methods and systems for releasing a voice mail system from a communication and further processing the communication
6. 7933390 - Region-wide messaging system and methods including validation of transactions
7. 7646856 - Region-wide messaging system and methods including validation of transactions
8. 7630483 - Methods and systems for releasing a voice mail system from a communication and further processing the communication
9. 7395329 - Real-time notification of presence availability changes
10. 7221739 - Callback function for messaging platform in public telephone system
11. 7184535 - Methods and systems for releasing a voice mail system from a communication and further processing the communication
12. 7149300 - Transfer function for messaging platform in public telephone system
13. 6810113 - Methods and systems to make spoken name data available
14. 6681257 - Methods and system for determining message routing based on elements of a directory number
15. 6608888 - Methods and systems to provide a message in a messaging system without revealing an identity of the sending party