Average Co-Inventor Count = 3.87
ph-index = 4
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 (3 from 58,131 patents)
2. Sony United Kingdom Limited (2 from 421 patents)
4 patents:
1. 5499373 - Apparatus and methods for designing, analyzing or simulating signal
2. 5347312 - Motion compensated video signal processing
3. 5036393 - Motion dependent video signal processing
4. 5016101 - Video signal to photographic film conversion