Average Co-Inventor Count = 4.00
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. Nippon Kokan Kabushiki Kaisha (1 from 487 patents)
2. Ishikawajima-Harima Jukogyo Kabushiki Kaisha (1 from 306 patents)
1 patent:
1. 4577480 - Method and apparatus for controlling rolling correction in rolling mill