Average Co-Inventor Count = 6.09
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. Verizon Business Global LLC (2 from 289 patents)
2. Mci, Inc. (2 from 161 patents)
3. Mci Communications Corporation (1 from 473 patents)
5 patents:
1. 7640166 - Method for charging on-line directory assistance services
2. 7275162 - On-line directory assistance system
3. 7127617 - On-line directory assistance system
4. 7069446 - Stateless mechanism for data retrieval
5. 6493433 - Multi-threaded database system for an interactive voice response platform