Average Co-Inventor Count = 2.14
ph-index = 3
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 (5 from 58,130 patents)
5 patents:
1. 8368797 - View finder
2. 8023033 - Viewfinder and imaging apparatus
3. 7956922 - Viewfinder and image pickup apparatus
4. 7750599 - Battery charger
5. 7688027 - Portable battery charger to charge plural batteries