Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077698 | Selective catalytic reduction system, selective catalytic reduction sensor, and level sensor | Shigeru Nihongi | 2018-09-18 |
| 9188042 | Urea quality diagnosis system | Hirotaka Takahashi, Tomoyuki Itou, Yasuo Okamoto, Tatsuo Mashiko | 2015-11-17 |
| 8959891 | Selective catalytic reduction system | Hirotaka Takahashi, Tomoo Nishikawa | 2015-02-24 |