Average Co-Inventor Count = 2.19
ph-index = 8
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. (8 from 42,496 patents)
2. Hirose Electric Company, Ltd. (6 from 773 patents)
3. Hitachi Construction Machinery Co., Ltd. (2 from 1,504 patents)
16 patents:
1. 11398234 - Utterance support apparatus, utterance support method, and recording medium
2. D937852 - Display screen with graphical user interface
3. 10275411 - Management system for computer system
4. D790559 - Display screen with graphical user interface
5. 9286246 - System for managing task that is for processing to computer system and that is based on user operation and method for displaying information related to task of that type
6. D746303 - Display screen with graphical user interface
7. D746335 - Display screen with icon
8. D700619 - Construction machine display with a graphic user interface
9. D693834 - Construction machine display with a graphic user interface
10. D656153 - Computer display with graphical user interface
11. 6934159 - Card connector
12. 6729909 - Card connector
13. 6719577 - Card connector
14. 6394827 - Card connector
15. 5879170 - PC card frame kit and PC card