Average Co-Inventor Count = 2.67
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 58,130 patents)
4 patents:
1. 7532248 - Adapter device and video camera device
2. 7477317 - Adapter device and video camera device
3. D551688 - Video camera
4. D543223 - Video camera