Average Co-Inventor Count = 4.13
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. Nortel Networks Corporation (3 from 4,171 patents)
3 patents:
1. 6885661 - Private branch exchange built using an ATM Network
2. 6804229 - Multiple node network architecture
3. 6778538 - Virtual junctors