Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821349 | Exhaust gas purification catalyst | Shogo Kawamura, Isao Naito, Hiroki NIHASHI, Nobuyuki Takagi, Takeshi Nobukawa | 2023-11-21 |
| 11759769 | Exhaust gas purification device | Isao Chinzei, Seiji Nakahigashi, Takumi Tojo, Masahide Miura, Nobuyuki Takagi +4 more | 2023-09-19 |
| 11719144 | Exhaust gas purification catalyst | Norimichi Shimano, Shogo SHIRAKAWA, Masahide Miura, Isao Chinzei, Seiji Nakahigashi +3 more | 2023-08-08 |