Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149611 | Exhaust purification unit | Isao Oohara | 2021-10-19 |
| 10920633 | Maintenance tool and maintenance method for exhaust purification device | Yoshihisa Ueda, Yuuta Kageyama | 2021-02-16 |
| 10450921 | Exhaust purification system | Takehito Imai | 2019-10-22 |
| 10054027 | Exhaust purification apparatus for internal combustion engine | Tsutomu Muramoto, Nobutaka Ishii, Futoshi Nakano, Takashi Yamashita, Satoshi Kanekiyo +2 more | 2018-08-21 |