Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11959407 | Detection device, detection method, and exhaust purification device with detection device | Daiki Ishii, Naofumi Ochi, Yuta Kageyama, Akira Matsutani, Hitoshi Sato | 2024-04-16 |
| 9145842 | NOx sensor diagnosis apparatus and selective catalytic reduction system | Hirotaka Takahashi, Masashi Mizutani | 2015-09-29 |
| 8813546 | NOx sensor diagnosis device and selective catalytic reduction system | Hirotaka Takahashi, Masashi Mizutani | 2014-08-26 |
| 8683855 | Competence diagnosis system for urea water temperature sensor | Hirotaka Takahashi, Yoshinori Hamaguchi | 2014-04-01 |