Average Co-Inventor Count = 3.60
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. (1 from 42,508 patents)
2. Hitachi Medical Corporation (1 from 900 patents)
3. Hitachi Transport System, Ltd. (1 from 13 patents)
3 patents:
1. 11379787 - Evaluation device, evaluation method, and evaluation program
2. 9478021 - Image display device, image display system, and image display method
3. 9437037 - Image display device, method and program