Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11199148 | Control device for exhaust sensor | Keiichiro Aoki, Yasutaka Kamiya | 2021-12-14 |
| 10934958 | Air-fuel ratio detection device and air-fuel ratio detection method | Keiichiro Aoki, Keisuke Mizutani | 2021-03-02 |