Average Co-Inventor Count = 1.51
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 58,131 patents)
4 patents:
1. 8174582 - Drive device and image pickup apparatus
2. 8041202 - Driving device and image pickup apparatus
3. 7833652 - Battery loading mechanism and electronic apparatus
4. 7507041 - Imaging device