Average Co-Inventor Count = 1.80
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. Kabushiki Kaisha Toshiba (3 from 52,778 patents)
3 patents:
1. 5226070 - Mat with low X-ray absorption for X-ray diagnosis
2. 5199060 - X-ray photographing apparatus
3. 5105455 - X-ray diagnostic apparatus