Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352191 | Filter abnormality determination system | — | 2025-07-08 |
| 7614373 | Oil passage construction for die-cast formed product, and oil passage construction for internal combustion engine | Hiromichi Hashimoto | 2009-11-10 |