Average Co-Inventor Count = 5.46
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. (2 from 42,517 patents)
2 patents:
1. 11404873 - Power system operation assisting device and method, and oscillation suppression system
2. 11133674 - System operation support device and method in power system, and wide-area monitoring protection control system