Average Co-Inventor Count = 1.33
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. Kabushiki Kaisha Toshiba (3 from 52,730 patents)
3 patents:
1. 5367554 - X-ray diagnostic apparatus of a circulatory organ system
2. 5095501 - X-ray image-pickup apparatus
3. 5090044 - X-ray examination apparatus