Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11679379 | Exhaust gas purification device | Koji Sugiura, Takeshi Hirabayashi, Akemi Satou, Takaya Ota, Masatoshi Ikebe +2 more | 2023-06-20 |
| 11602742 | Exhaust gas purification device | Koji Sugiura, Hiromasa Nishioka, Naoto Miyoshi, Akemi Sato, Ryota Nakashima +2 more | 2023-03-14 |