Average Co-Inventor Count = 2.25
ph-index = 2
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 (2 from 4,171 patents)
2. Genband US LLC (1 from 209 patents)
3 patents:
1. 8271024 - Messaging service interworking
2. 7058068 - Session initiation protocol based advanced intelligent network/intelligent network messaging
3. 6882721 - Method and apparatus enabling local number portability in telephone networks