Average Co-Inventor Count = 14.01
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. State Grid Corporation of China (1 from 194 patents)
2. Hebei Electric Power Maintenance Company (1 from 1 patent)
3. State Grid Hebei Maintenance Branch (0 patent)
1 patent:
1. 9461447 - Maintenance tool for insulator of direct current transmission line