Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11801492 | Exhaust gas purification catalyst | Isao Chinzei, Takahiro NISHIO, Yoshiteru Yazawa | 2023-10-31 |
| 11759769 | Exhaust gas purification device | Isao Chinzei, Seiji Nakahigashi, Masahide Miura, Nobuyuki Takagi, Yoshiteru Yazawa +4 more | 2023-09-19 |
| 11725556 | Exhaust gas purification catalyst | Isao Chinzei, Takahiro NISHIO, Yosuke TODA, Hirotaka Ori, Minoru Ito +1 more | 2023-08-15 |
| 11618009 | Honeycomb catalytic converter | Shinnosuke Goto, Takeru Yoshida, Hiromasa Suzuki | 2023-04-04 |