Average Co-Inventor Count = 2.67
ph-index = 1
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. Oticon A/s (1 from 722 patents)
2. Bernafon Ag (1 from 56 patents)
2 patents:
1. 10104481 - Hearing device with a battery drawer
2. D773671 - Hearing aid topshell