Average Co-Inventor Count = 10.00
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. Nippon Steel Corporation (2 from 3,563 patents)
2. Nippon Steel Sumitomo Metal Corporation (1,101 patents)
2 patents:
1. 6918969 - Cast steel and steel material with excellent workability, method for processing molten steel therefor and method for manufacturing the cast steel and steel material
2. 6585799 - Cast steel piece and steel product excellent in forming characteristics and method for treatment of molted steel therefor and method for production thereof