Average Co-Inventor Count = 6.64
ph-index = 4
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. (5 from 42,496 patents)
5 patents:
1. 10275411 - Management system for computer system
2. D809545 - Display screen with graphical user interface
3. D790559 - Display screen with graphical user interface
4. D746303 - Display screen with graphical user interface
5. D746335 - Display screen with icon