Average Co-Inventor Count = 2.00
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. (3 from 41,127 patents)
3 patents:
1. 12267666 - Audio-based presence detection
2. 11805381 - Audio-based presence detection
3. 11146909 - Audio-based presence detection