Average Co-Inventor Count = 8.57
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. Nippon Hoso' Kyokai (2 from 372 patents)
2 patents:
1. 5063445 - Multiple sub-sampling transmitting/receiving system performing
2. 4864400 - Television synchronization system