Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11179701 | Exhaust gas purifying catalyst and production method therefor, and exhaust gas purification device using same | Yu Sakurada, Ryota Nakashima | 2021-11-23 |
| 11110435 | Exhaust gas purification catalyst | Ryota Onoe, Kazuhiko Ito, Chihiro Kasuya | 2021-09-07 |