Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480091 | Exhaust gas purification system | Kazushi Wakayama | 2022-10-25 |
| 11365661 | Exhaust gas purification system | Daisuke Shimoyama | 2022-06-21 |
| 11298674 | Nitrogen oxide storage material and exhaust gas purification method | Daisuke Shimoyama | 2022-04-12 |