Average Co-Inventor Count = 8.18
ph-index = 2
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. Kawasaki Steel Corporation (2 from 1,256 patents)
2. Jfe Steel Corporation (1 from 1,800 patents)
3 patents:
1. 6764528 - Process for producing high-nitrogen ultralow-carbon steel
2. 5429655 - System for removing non-metallic foreign matter in molten metal
3. 5311924 - Molten metal level control method and device for continuous casting