Average Co-Inventor Count = 3.43
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. Nortel Networks Corporation (2 from 4,171 patents)
2 patents:
1. 6970906 - Voice mail caller identification
2. 6871214 - Generating and providing alert messages in a communications network