Average Co-Inventor Count = 2.40
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. Proton Energy Systems, Inc. (2 from 79 patents)
2 patents:
1. 7601207 - Gas recovery system
2. 6869720 - Method and apparatus for maintaining compression of the active area in an electrochemical cell