Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11577226 | Exhaust gas purification catalyst | Seiji Nakahigashi, Isao Chinzei, Shogo SHIRAKAWA, Hiromasa Suzuki, Masahide Miura +8 more | 2023-02-14 |
| 11559768 | Exhaust gas purification catalyst | Isao Chinzei, Masahide Miura, Seiji Nakahigashi, Hiromasa Suzuki, Akira Morikawa +5 more | 2023-01-24 |