Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199148 | Control device for exhaust sensor | Kazuhiro Wakao, Yasutaka Kamiya | 2021-12-14 |
| 11092100 | Control system of internal combustion engine | — | 2021-08-17 |
| 11092102 | Sensor system | Mie Kato, Kazuki Takahashi | 2021-08-17 |
| 11078858 | Control apparatus for an internal combustion engine | Kazuki Takahashi | 2021-08-03 |
| 10968807 | Catalyst deterioration detection system | — | 2021-04-06 |
| 10934958 | Air-fuel ratio detection device and air-fuel ratio detection method | Kazuhiro Wakao, Keisuke Mizutani | 2021-03-02 |