Average Co-Inventor Count = 3.75
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. Kobe Steel, Ltd. (2 from 1,887 patents)
2 patents:
1. 9994783 - Method for producing modified coal, and modified coal
2. 9856428 - Method for storing upgraded coal, and grain-size-controlled coal