Average Co-Inventor Count = 5.46
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. Cabot Corporation (2 from 838 patents)
2 patents:
1. 4105750 - Production of carbon blacks
2. 3952087 - Production of high structure carbon blacks