Average Co-Inventor Count = 7.02
ph-index = 7
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 42,485 patents)
2. Hitachi Construction Machinery Co., Ltd. (2 from 1,498 patents)
3. Teac Corporation (1 from 1,030 patents)
8 patents:
1. D790559 - Display screen with graphical user interface
2. 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
3. D746303 - Display screen with graphical user interface
4. D746335 - Display screen with icon
5. D700619 - Construction machine display with a graphic user interface
6. D693834 - Construction machine display with a graphic user interface
7. D656153 - Computer display with graphical user interface
8. D288437 - Audio mixer