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. Northern Telecom Limited (3 from 2,276 patents)
2. Nortel Networks Corporation (1 from 4,171 patents)
4 patents:
1. 6466928 - Method and apparatus for idea development and evaluation
2. 5987100 - Universal mailbox
3. 5878122 - Long distance service bureau
4. 5263084 - Spontaneous caller identification with call-waiting