Average Co-Inventor Count = 3.33
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 Medical Corporation (3 from 900 patents)
3 patents:
1. 7104687 - X-ray diagnosis apparatus having a common cooler
2. 6458295 - Phosphors, and radiation detectors and X-ray CT unit made by using the same
3. 6340436 - Phosphor, and radiation detector and X-ray CT unit each equipped therewith