Average Co-Inventor Count = 2.51
ph-index = 6
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 Corp. (9 from 4,208 patents)
9 patents:
1. 7177905 - Method and apparatus for a conference call mediation service
2. 6604129 - Method and apparatus for a conference call mediation service
3. 6587458 - Method and apparatus for an internet Caller-ID delivery plus service
4. 6421442 - Method of enhancing call processing in a number portability environment
5. 6421437 - System and method for re-directing incoming calls
6. 6233331 - Method of enhancing call processing in a number portability environment
7. 6058313 - Method of enhancing call processing in a number portability environment
8. 5943411 - Method for routing an NP call
9. 5488569 - Application-oriented telecommunication system interface