Average Co-Inventor Count = 2.86
ph-index = 4
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 (4 from 4,171 patents)
2. Northern Telecom Limited (1 from 2,276 patents)
5 patents:
1. 7149506 - Portable call management system
2. 6584444 - Virtual private network service provider for asynchronous transfer mode network
3. 6282194 - Transit trunk subnetwork system
4. 6097722 - Bandwidth management processes and systems for asynchronous transfer
5. 6032118 - Virtual private network service provider for asynchronous transfer mode