Average Co-Inventor Count = 5.29
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. Hitachi, Ltd. (3 from 42,517 patents)
3 patents:
1. 7750590 - Display apparatus having turntable display
2. 7436140 - Image display device and stand for image display device
3. D566068 - Television receiver