Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9840954 | Exhaust purification device for internal combustion engine | Kazuhiro Ito, Yoshihisa Tsukamoto, Hiroshi Otsuki, Yasumasa Notake, Daichi Imai +1 more | 2017-12-12 |
| 9790828 | Exhaust purification system for internal combustion engine | Daichi Imai, Kazuhiro Itou | 2017-10-17 |
| 9718026 | Exhaust gas purification filter | Hiroshi Otsuki, Yoshihisa Tsukamoto, Daichi Imai, Kazuhiro Itoh, Ryota Koutake | 2017-08-01 |
| 9689296 | Exhaust purification device for internal combustion engine | Kazuhiro Itoh, Daichi Imai, Ryota Koutake | 2017-06-27 |
| 9677442 | Sulfur concentration determination system for an internal combustion engine | Daichi Imai | 2017-06-13 |
| 9598997 | Exhaust gas purification apparatus of internal combustion engine | Kazuhiro Itoh, Yoshihisa Tsukamoto, Hiroshi Ohtsuki, Yasumasa Notake, Hiroki Murata | 2017-03-21 |