Average Co-Inventor Count = 7.30
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. Sonion Nederland B.v. (3 from 139 patents)
3 patents:
1. 10945084 - Personal hearing device
2. 10869119 - Sound channel element with a valve and a transducer with the sound channel element
3. 10805746 - Valve, a transducer comprising a valve, a hearing device and a method