Average Co-Inventor Count = 3.43
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. Sumitomo Metal Industries, Inc. (2 from 929 patents)
2. Mitsubishi Jukogyo Kabushiki Kaisha (1 from 1,326 patents)
2 patents:
1. 6216505 - Method and apparatus for rolling a strip
2. 5636544 - Cold rolling method for a metal strip and a mill array