Average Co-Inventor Count = 2.40
ph-index = 4
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. Bell Atlantic Network Services, Inc. (3 from 305 patents)
2. Verizon Services Corporation (1 from 249 patents)
4 patents:
1. 7031438 - System for obtaining forwarding information for electronic system using speech recognition
2. 6330308 - Voice mail system for obtaining forwarding number information from directory assistance systems having speech recognition
3. 5771279 - Advanced intelligent network interacting with customer premises equipment
4. 5526413 - Advanced intelligent network access by customer premise equipment