Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385753 | Apparatus for diagnosing deterioration of NOx storage-reduction catalyst | Tomomasa Aikawa | 2019-08-20 |
| 10337372 | Exhaust gas purification catalyst device, exhaust gas purification system, and method for detecting deterioration of exhaust gas purification catalyst device | Kazunari Sawada, Hirotaka Ori | 2019-07-02 |