Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11801492 | Exhaust gas purification catalyst | Isao Chinzei, Takahiro NISHIO, Takumi Tojo | 2023-10-31 |
| 11759769 | Exhaust gas purification device | Isao Chinzei, Seiji Nakahigashi, Takumi Tojo, Masahide Miura, Nobuyuki Takagi +4 more | 2023-09-19 |