Average Co-Inventor Count = 3.75
ph-index = 6
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. Audio-technica Corporation (6 from 216 patents)
6 patents:
1. D948483 - Earphone
2. D933601 - Battery charger for earphone
3. D928122 - Earphone
4. D894151 - Headphone
5. D893450 - Headphone
6. D893451 - Headphone