Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11517881 | Exhaust gas purification catalyst | Hiroki Tanaka, Haruka Shimizu | 2022-12-06 |
| 11465120 | Nitrogen oxide sorbent and exhaust gas cleaning catalyst | Masaaki Haneda, Yuma Kako | 2022-10-11 |