Average Co-Inventor Count = 2.40
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. International Coal Refining Company (2 from 35 patents)
2 patents:
1. 4555248 - Process for stabilizing the viscosity characteristics of coal derived
2. 4547201 - SRC Residual fuel oils