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. Abb Technology Ltd (1 from 191 patents)
2. Abb Schweiz Ag (2,643 patents)
3. Hitachi Energy Switzerland Ag (178 patents)
1 patent:
1. 8107266 - Converter for converting alternating voltage into direct voltage and conversely