Average Co-Inventor Count = 7.00
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. (1 from 42,485 patents)
2. Hitachi Software Engineering Company, Ltd. (1 from 228 patents)
3. Hitachi Electronics Services Co. Ltd. (1 from 12 patents)
1 patent:
1. 6970946 - System management information processing method for use with a plurality of operating systems having different message formats