Average Co-Inventor Count = 7.00
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 (1 from 58,132 patents)
2. Nec Corporation (1 from 35,756 patents)
3. Canon Kabushiki Kaisha (90,809 patents)
1 patent:
1. 5880815 - Image pickup apparatus capable of preventing overlap or lack of image