Average Co-Inventor Count = 1.00
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. Onkyo Corporation (2 from 184 patents)
3 patents:
1. D891401 - Earphone
2. D853360 - Earphone
3. D850408 - Earphone