Average Co-Inventor Count = 1.58
ph-index = 5
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)
2. Northern Telecom Limited (2 from 2,276 patents)
5 patents:
1. 6594349 - System and method for automatically delivering messages to a telecommunications device
2. 6522735 - Network selection support in a communications service bidding exchange
3. 6203192 - System and method for automatically delivering messages to a telecommunications device
4. 5987100 - Universal mailbox
5. 5878122 - Long distance service bureau