Average Co-Inventor Count = 4.00
ph-index = 2
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. Intrado Corporation (2 from 68 patents)
2 patents:
1. 7177397 - Geographic routing of emergency service call center emergency calls
2. 6771742 - Geographic routing of emergency service call center emergency calls