Average Co-Inventor Count = 9.59
ph-index = 3
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 (3 from 1,256 patents)
3 patents:
1. 5396050 - Method of joining steel sheet bars and a joining apparatus
2. 5323951 - Method of joining steel sheet bars in hot rolling and a continuous hot
3. 5292052 - Continous hot rolling method and joining method of sheet bar