Average Co-Inventor Count = 2.62
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 (7 from 216 patents)
7 patents:
1. D949101 - Battery charger for earphones
2. D940097 - Earphone
3. D938941 - Earphone
4. D936034 - Earphone
5. D908663 - Headphone
6. D904347 - Earphone
7. D878336 - Earphone