Average Co-Inventor Count = 2.18
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. West Corporation (2 from 634 patents)
2. Intrado Corporation (2 from 68 patents)
4 patents:
1. 8301523 - System, method and computer readable medium for providing notifications
2. 7747695 - System, method and computer readable medium for providing notifications
3. 7054611 - System and method for providing mobile caller information to a special number service station
4. 6963557 - System and method for routing telephone calls involving internet protocol network