Average Co-Inventor Count = 5.46
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. Nippon Steel Corporation (2 from 3,562 patents)
2 patents:
1. 6055837 - Method for rolling shape steel having flange and web, and rolling mill
2. 4730925 - Method of spectroscopically determining the composition of molten iron