Average Co-Inventor Count = 2.67
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 (3 from 4,171 patents)
2. Northern Telecom Limited (1 from 2,276 patents)
4 patents:
1. 6778822 - Distributed intelligent network triggering system
2. 6711402 - Method and apparatus for displaying calling party information
3. 6707901 - Subscriber profile extension (SPEX)
4. 6226516 - Method for invoking dynamically modifiable subscriber services and an intelligent telecommunication network incorporating the same