Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297764 | Exhaust purifying apparatus for internal combustion engine | Hiroshi Oyagi, Hirokazu Ito | 2025-05-13 |
| 12286921 | Exhaust gas control apparatus for internal combustion engine | Hirokazu Ito, Hiroshi Oyagi, Akira Hojo | 2025-04-29 |