Average Co-Inventor Count = 2.77
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 (3 from 838 patents)
3 patents:
1. 4684399 - Tantalum powder process
2. 4663130 - Process for dissolving tantalum/columbium materials containing alkali
3. 4420469 - Pyrohydrolysis of columbium oxyfluoride to columbium oxide