Average Co-Inventor Count = 9.00
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. Northern Telecom Limited (2 from 2,276 patents)
2 patents:
1. 6064732 - Screen-based telephone set for interactive enhanced telephony service
2. 5615257 - Screen-based telephone set for interactive enhanced telephony service