Average Co-Inventor Count = 4.00
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. 11245596 - Management system that manages computer system
2. 10505821 - Management system that manages computer system
3. 9762453 - Management system that manages computer system