Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10830167 | Exhaust gas purification system for an internal combustion engine | Koichi Kitaura, Yasuyuki Irisawa, Hirofumi Kubota | 2020-11-10 |
| 10669916 | Exhaust system for an internal combustion engine | Koichi Kimura, Yasuyuki Irisawa | 2020-06-02 |
| 10563599 | Control system for turbocharged internal combustion engine | Takanobu Hosoya, Yasuyuki Irisawa, Hirofumi Kubota | 2020-02-18 |