Average Co-Inventor Count = 3.31
ph-index = 9
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. (9 from 42,485 patents)
2. Hitachi Construction Machinery Co., Ltd. (2 from 1,498 patents)
11 patents:
1. 10169303 - Management system for managing information system
2. D790559 - Display screen with graphical user interface
3. D779512 - Display screen or portion thereof with graphical user interface
4. D775179 - Display screen or portion thereof with graphical user interface
5. D755828 - Display screen or portion thereof with graphical user interface
6. D755829 - Display screen or portion thereof with graphical user interface
7. D755856 - Display screen or portion thereof with graphical user interface
8. D746303 - Display screen with graphical user interface
9. D746335 - Display screen with icon
10. D704202 - Construction machine display with graphic user interface
11. D700619 - Construction machine display with a graphic user interface