Average Co-Inventor Count = 12.80
ph-index = 2
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. Apple Inc. (4 from 40,816 patents)
4 patents:
1. 12323755 - Headphones
2. 11985462 - Headphones
3. 11589150 - Wireless listening device
4. 11477558 - Headphones