Average Co-Inventor Count = 2.57
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 (6 from 58,131 patents)
6 patents:
1. 7586547 - Video signal switching apparatus and control method therefor
2. 7042516 - Video signal switching apparatus and control method thereof
3. 5995505 - Matrix switcher
4. 5929934 - Key signal processing apparatus for video signal processing
5. 5822016 - Key signal processing apparatus for video signal processing
6. 5793440 - Key signal processing apparatus for video signal processing