Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441465 | Exhaust gas purification device and ship including exhaust gas purification device | Takehiko Kakizakai, Toshihiro Fujii, Hitoshi Ito, Akira Otaki, Tomohide Hashiguchi | 2022-09-13 |