Average Co-Inventor Count = 1.43
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. Sonova Ag (3 from 343 patents)
5 patents:
1. D963573 - Charging unit
2. D955986 - Charging unit for hearing aid
3. D902856 - Charging unit
4. D844146 - Hearing aid
5. D806648 - Hearing aid charging unit