Average Co-Inventor Count = 2.40
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. Cabot Corporation (2 from 838 patents)
2 patents:
1. 4592904 - Process for producing columbium oxyfluoride
2. 4518570 - Process for separating antimony from columbium solutions