Average Co-Inventor Count = 1.20
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. Northern Telecom Limited (2 from 2,276 patents)
2. Nortel Networks Corporation (1 from 4,171 patents)
3 patents:
1. 6335963 - System and method for providing notification of a received electronic mail message
2. 5987116 - Call center integration with operator services databases
3. 5912962 - Method of porting for use with local number portability