Average Co-Inventor Count = 3.00
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 (1 from 4,171 patents)
2. Northern Telecom Limited (1 from 2,276 patents)
3. Bell-northern Research Ltd. (1 from 13 patents)
3 patents:
1. 6563795 - Method of tracing the root of virtual connections
2. 5901141 - Method of tracing the route of virtual connections
3. 5675578 - Method of tracing the route of virtual connections