Average Co-Inventor Count = 2.22
ph-index = 6
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. Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. (6 from 4,804 patents)
6 patents:
1. 5952118 - PEM fuel cell with structured plates
2. 5925477 - Assembly of single cells to form a diaphragm electrode unit
3. 5863672 - Polymer electrolyte membrane fuel cell
4. 5861221 - Battery shaped as a membrane strip containing several cells
5. 5733678 - Polymer fuel cell
6. 5723086 - Electrode membrane