Average Co-Inventor Count = 1.27
ph-index = 7
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 (9 from 2,276 patents)
9 patents:
1. D332786 - Base for a telephone set
2. D330028 - Base for a telephone set
3. D328295 - Base for a telephone set
4. 4937877 - Modular microphone assembly
5. D306027 - Add-on access module for a telephone set
6. D306023 - Base for a telephone set
7. D299230 - Base for a telephone set
8. D298131 - Telephone base with speakerphone and visual display panel
9. D297535 - Telephone base with speakerphone