Average Co-Inventor Count = 4.00
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. Sumitomo Metal Industries, Inc. (2 from 929 patents)
2 patents:
1. 4316376 - Method for preventing wandering of strip under roller leveling in hot
2. 4107969 - Hot strip coiling mandrel