Average Co-Inventor Count = 2.40
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. Phonak Ag (2 from 333 patents)
2 patents:
1. D593548 - Microphone
2. D577708 - Wireless microphone transmitter