Average Co-Inventor Count = 2.00
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. L'air Liquide (2 from 61 patents)
2 patents:
1. 5383957 - Multistage cascade sweep-process for membrane gas separation
2. 5240471 - Multistage cascade-sweep process for membrane gas separation