Average Co-Inventor Count = 4.80
ph-index = 1
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. Hitachi, Ltd. (2 from 42,526 patents)
2 patents:
1. D342512 - Combined camera and monitor television receiver
2. D318465 - Computer display