Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598074 | Exhaust device of multiple-cylinder engine | Jiro Kato, Tatsuya Koga, Shinji Sumi, Haruna Yanagida | 2020-03-24 |
| 9611777 | Exhaust device of multi-cylinder engine | Jiro Kato, Tatsuya Koga, Shinji Sumi, Haruna Yanagida | 2017-04-04 |