Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181023 | Four way conversion catalysts for gasoline engine emissions treatment systems | Janosch Cravillon, Stephan Siemund, Attilio Siani, Thomas Schmitz, Oliver Seel | 2021-11-23 |
| 10906032 | Exhaust gas treatment catalysts | Xiaolai Zheng, Michel Deeba, Xiaofan Yang, Qi Fu, Makoto Nagata +2 more | 2021-02-02 |