Average Co-Inventor Count = 2.00
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. Japan as Represented by Director General of National Research Institute for Metals (1 from 9 patents)
1 patent:
1. 6299704 - Heat resisting steel containing a ferrite or tempered martensite structure