Average Co-Inventor Count = 2.25
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. Sennheiser Electronic Gmbh & Co Kg (6 from 296 patents)
6 patents:
1. D606051 - Microphone
2. D605183 - Microphone
3. D603381 - Microphone
4. D602907 - Earphones
5. D602920 - Microphone
6. D596167 - Microphone