Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524285 | Exhaust gas purification catalyst device | Shunsuke Oishi, Isao Chinzei, Hiromasa Suzuki, Yoshinori Saito, Seiji Nakahigashi | 2022-12-13 |
| 11473472 | Exhaust gas control apparatus and manufacturing method thereof | Koji Sugiura, Hiromasa Nishioka, Naoto Miyoshi, Akemi Satou, Keisuke Murawaki +3 more | 2022-10-18 |