Average Co-Inventor Count = 3.58
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)
4 patents:
1. 6888936 - User controlled location sharing during a communication
2. 6735295 - Call waiting messaging
3. 6650746 - Urgency of call indication to called party through distinctive notification
4. 6148063 - Semi-interruptible messages for telephone systems making voice