Average Co-Inventor Count = 2.18
ph-index = 5
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. (6 from 42,485 patents)
6 patents:
1. 10417195 - Management system for managing information system
2. D779512 - Display screen or portion thereof with graphical user interface
3. D775179 - Display screen or portion thereof with graphical user interface
4. D755828 - Display screen or portion thereof with graphical user interface
5. D755829 - Display screen or portion thereof with graphical user interface
6. D755856 - Display screen or portion thereof with graphical user interface