Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154842 | Exhaust gas purification underfloor catalyst and catalyst system | Noboru Sato, Keisuke Murawaki | 2021-10-26 |
| 11053833 | Exhaust gas purification catalyst | Isao Chinzei, Masahide Miura, Seiji Nakahigashi, Hiromasa Suzuki, Toshio Yamamoto +5 more | 2021-07-06 |
| 10934910 | Exhaust gas cleaning catalyst | Haruka MAKINO, Yasutaka Nomura, Satoru INODA, Ryota Onoe | 2021-03-02 |