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. Tamura Corporation (1 from 190 patents)
2. Hitachi Mitsubishi Hydro Corporation (1 from 13 patents)
1 patent:
1. 12237789 - Modular multilevel converter and modular multilevel converter system