Average Co-Inventor Count = 2.40
ph-index = 1
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. 7079640 - Method and apparatus for implementing an extensible range of communications services in telephone networks
2. 6882721 - Method and apparatus enabling local number portability in telephone networks