Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10669916 | Exhaust system for an internal combustion engine | Yasuyuki Irisawa, Takashi Tsunooka | 2020-06-02 |
| 10655547 | Internal combustion engine | Takuya Okubo, Norihisa Nakagawa | 2020-05-19 |
| 10557396 | Exhaust system for an internal combustion engine | Yasuyuki Irisawa | 2020-02-11 |