Average Co-Inventor Count = 3.00
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. Sony Corporation (4 from 58,129 patents)
4 patents:
1. 7885065 - Fan motor apparatus and electronic apparatus
2. 7753590 - Bearing unit and driving motor using the bearing unit
3. 7614791 - Bearing unit and motor using the same
4. 7564155 - Bearing unit and motor