Average Co-Inventor Count = 5.00
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. Den Norske Stats Oljeselskap A.s. (2 from 146 patents)
2 patents:
1. 6284023 - Separation of acid gas from natural gas
2. 6280505 - Separation of acid gases from gas mixtures