Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12286910 | Pump structure of internal combustion engine | — | 2025-04-29 |
| 11971327 | Leak diagnosis method and leak diagnosis device for blowby gas treatment device of internal combustion engine | Toshihiro Yamagata, Akihito Takahashi | 2024-04-30 |
| 11624676 | Leak diagnosis method and leak diagnosis device for blowby gas treatment device of internal combustion engine | Toshihiro Yamagata, Akihito Takahashi | 2023-04-11 |