Average Co-Inventor Count = 2.00
ph-index = 3
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. Other (3 from 832,812 patents)
3 patents:
1. 4918757 - Hearing aid headband support
2. 4881616 - Hearing aid retention apparatus
3. 4702345 - Hearing aid retention device