Average Co-Inventor Count = 3.01
ph-index = 5
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 (5 from 16,497 patents)
2. Other (1 from 832,891 patents)
3. Bellsouth Intellectual Property Corporation (1 from 987 patents)
4. At&t Delaware Intellectual Property Corporation, Inc. (1 from 178 patents)
8 patents:
1. 8111816 - Methods and systems for enabling return to same position in a review of messages in a voice mail system using tag or identifier stored in the voice mail system
2. 7933390 - Region-wide messaging system and methods including validation of transactions
3. 7760860 - Methods and systems for enabling a reply call to a voice mail message
4. 7646856 - Region-wide messaging system and methods including validation of transactions
5. 7436940 - Methods and systems for enabling a reply call to voice mail message
6. 7327835 - Methods and systems for enabling return to same position in a review of messages in a voice mail system using tag or identifier stored in the voice mail system
7. 6891931 - Methods and systems for enabling return to same position in a review of messages in a voice mail system using tag or identifier stored in the voice mail system
8. 6650740 - Methods and systems for enabling a reply call to a voice mail message