Average Co-Inventor Count = 6.00
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. Other (1 from 832,718 patents)
2. Ishikawajima-harima Heavy Industries Co., Ltd. (1 from 341 patents)
3. Sumitomo Metal Industries Co., Ltd. (1 from 4 patents)
2 patents:
1. 6189763 - Rolled plate joining apparatus and continuous hot rolling apparatus equipped with the same
2. 6010055 - Rolled plate joining apparatus and continuous hot rolling apparatus