Average Co-Inventor Count = 2.90
ph-index = 2
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. 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
2. 8863139 - Management system and management method for managing a plurality of storage subsystems
3. 8396917 - Storage management system, storage hierarchy management method, and management server capable of rearranging storage units at appropriate time