Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920701 | Filter regeneration system for internal combustion engine and filter regeneration method for internal combustion engine | — | 2021-02-16 |
| 10865675 | Particulate matter (PM) sensor for detecting quantity of PM in exhaust gas from e.g. diesel engine | Takayuki Furukawa, Kenji Fujii, Tadashi Uchiyama, Keisuke Nakamura | 2020-12-15 |
| 5728643 | NO.sub.x decomposition catalyst and exhaust gas purifier using said catalyst | Isao Naitoh | 1998-03-17 |