Average Co-Inventor Count = 4.00
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. Apple Inc. (3 from 40,951 patents)
3 patents:
1. 8983083 - Electronic device and headset with speaker seal evaluation capabilities
2. 8750527 - Electronic device and headset with speaker seal evaluation capabilities
3. 8401200 - Electronic device and headset with speaker seal evaluation capabilities