Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8455384 | Method for preparing fuel cell electrode catalyst and solid polymer fuel cell | Naoko Iwata, Hiroaki Takahashi, Peter Bogdanoff, Iris Herrmann-Geppert, Ulrike Kramm | 2013-06-04 |
| 7534739 | Platinum-free chelate-catalyst material for the selective reduction of oxygen and method for production thereof | Marcus Hilgendorff, Iris Dorbandt, Hendrik Schulenburg, Michael Bron, Peter Bogdanoff +1 more | 2009-05-19 |
| 4649227 | Photoactive pyrite layer and process for making and using same | Helmut Tributsch, Ahmed Ennaoui, Wolfram Jaegermann | 1987-03-10 |