Average Co-Inventor Count = 1.71
ph-index = 3
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. Texaco Inc. (4 from 3,161 patents)
4 patents:
1. 4995888 - Separation of gas from solvent by membrane technology
2. 4897091 - Membrane process for separating gases from gas-liquid charge streams
3. 4889541 - Separation of gases
4. 4808309 - Variable length membrane module