Average Co-Inventor Count = 2.57
ph-index = 1
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. Sony Corporation (3 from 58,129 patents)
3 patents:
1. D771009 - Speaker
2. 9264790 - Tray moving mechanism and in-vehicle audio apparatus
3. 8792651 - Tray moving mechanism and in-vehicle audio apparatus