Average Co-Inventor Count = 8.22
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 Electronics Inc (3 from 2,335 patents)
2. Sony Corporation (1 from 58,132 patents)
3 patents:
1. 5683053 - Cine-video film transport apparatus having film supply and take-up reels
2. 5474245 - Cine-video film transport apparatus
3. 5419506 - Cine-video film transport apparatus