Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11179701 | Exhaust gas purifying catalyst and production method therefor, and exhaust gas purification device using same | Takahiro Harada, Ryota Nakashima | 2021-11-23 |
| 11097260 | Exhaust gas purification device | Hiroki Kurihara, Yusuke Nagai, Yoshinori Endo, Takeshi Nabemoto, Shingo Akita | 2021-08-24 |