Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11725556 | Exhaust gas purification catalyst | Isao Chinzei, Takumi Tojo, Takahiro NISHIO, Yosuke TODA, Minoru Ito +1 more | 2023-08-15 |
| 11660589 | Exhaust gas purification device | Koji Sugiura, Hiromasa Nishioka, Naoto Miyoshi, Akemi Sato, Masatoshi Ikebe +2 more | 2023-05-30 |
| 11602742 | Exhaust gas purification device | Koji Sugiura, Hiromasa Nishioka, Naoto Miyoshi, Akemi Sato, Ryota Nakashima +2 more | 2023-03-14 |
| 11559768 | Exhaust gas purification catalyst | Isao Chinzei, Masahide Miura, Seiji Nakahigashi, Hiromasa Suzuki, Akira Morikawa +5 more | 2023-01-24 |