Average Co-Inventor Count = 3.00
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 42,517 patents)
3 patents:
1. 8078809 - System for accessing an offline storage unit through an online storage unit
2. 7366870 - System and method for accessing an offline storage unit through an online storage unit
3. 7058753 - System and method for accessing an offline storage unit through an online storage unit