Average Co-Inventor Count = 4.09
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. Kernforschungsanlage Julich Gesellschaft MIT Beschrankter Haftung (3 from 254 patents)
2. Other (1 from 832,718 patents)
3 patents:
1. 4699637 - Hydrogen permeation membrane
2. 4655797 - Fine screen and fine screen stack, their use and process for the
3. 4589891 - Hydrogen permeatin membrane, process for its manufacture and use