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. Hitachi Energy Ltd (2 from 238 patents)
2 patents:
1. 12456591 - Driving system for an on-load tap changer
2. 12165825 - Switching system for an on-load tap changer, on-load tap changer and method for switching a tap connection of an on-load tap changer