Average Co-Inventor Count = 1.09
ph-index = 5
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 (6 from 2,276 patents)
6 patents:
1. D411534 - Internet telephone
2. D409594 - Combined keyboard and keyboard stand
3. D392980 - Module for a telephone
4. D391252 - Telephone handset
5. D388433 - Telephone base and stand
6. D388434 - Telephone base and stand