Average Co-Inventor Count = 3.00
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. Jfe Steel Corporation (1 from 1,804 patents)
1 patent:
1. 12405224 - Surface inspection device, surface inspection method, method of manufacturing steel material, method of managing quality of steel material, and manufacturing facility for steel material