Average Co-Inventor Count = 2.86
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 (1 from 4,171 patents)
2. Mitel Corporation (1 from 307 patents)
2 patents:
1. 7249197 - System, apparatus and method for personalising web content
2. 5140590 - Telephone or data switching system with variable protocol inter-office