Average Co-Inventor Count = 3.00
ph-index = 3
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. Bellsouth Intellectual Property Corporation (3 from 987 patents)
2. At&t Intellectual Property I, LP (2 from 16,507 patents)
3. At&t Delaware Intellectual Property Corporation, Inc. (1 from 178 patents)
6 patents:
1. 8149993 - Evaluating performance of a voice mail sub-system in an inter-messaging network
2. 7933384 - Evaluating performance of a voice mail system in an inter-messaging network
3. 7379535 - Evaluating performance of a voice mail sub-system in an inter-messaging network
4. 7263176 - Diagnostic checking of an inter-messaging network
5. 7263173 - Evaluating performance of a voice mail system in an inter-messaging network
6. 6738458 - Methods and systems for changing the domain association of a mailbox in a messaging system