Average Co-Inventor Count = 8.00
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. Nr Electric Co., Ltd (1 from 70 patents)
2. Nr Engineering Co., Ltd (1 from 59 patents)
1 patent:
1. 10164428 - Voltage-source multi-level converter, DC power transmission system, and fault processing method and device