Average Co-Inventor Count = 5.00
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 Energy Ltd (1 from 250 patents)
2. Hitachi Energy Switzerland Ag (178 patents)
1 patent:
1. 12199141 - Semiconductor device with gradual injection of charge carriers for softer reverse recovery