Average Co-Inventor Count = 1.20
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. Beltone Electronics Corporation (3 from 42 patents)
3 patents:
1. 4860890 - Battery holder
2. 4498555 - Hearing aid nubbin and acoustic damper
3. 4153758 - Hearing aid battery holder