Average Co-Inventor Count = 4.67
ph-index = 1
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. (3 from 42,508 patents)
3 patents:
1. 12326835 - File management system and work support system
2. 11574582 - Display system and display device
3. 11333892 - Display apparatus, display system, and display method