Average Co-Inventor Count = 7.00
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. Hitachi, Ltd. (1 from 42,494 patents)
2. Nippon Steel Corporation (1 from 3,554 patents)
1 patent:
1. 4700312 - Method and apparatus for controlling snake motion in rolling mills