Average Co-Inventor Count = 4.99
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. Apple Inc. (3 from 40,816 patents)
3 patents:
1. 10491643 - Intelligent augmented audio conference calling using headphones
2. 10469940 - Valve for acoustic port
3. 9967664 - Sensor assembly for measuring diaphragm displacement and temperature in a micro speaker