Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11524285 | Exhaust gas purification catalyst device | Takaya Ota, Isao Chinzei, Hiromasa Suzuki, Yoshinori Saito, Seiji Nakahigashi | 2022-12-13 |
| 11504700 | Exhaust gas purification catalyst | Shogo Kawamura, Takahiro Nagata, Hirotaka Ori, Minoru Itou | 2022-11-22 |