Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828899 | Exhaust gas purification system and exhaust gas purification method | Daiji Nagaoka, Teruo Nakada | 2017-11-28 |
| 9562463 | Control method for exhaust gas aftertreatment device | Daiji Nagaoka, Teruo Nakada | 2017-02-07 |