Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306687 | Engine exhaust manifold | Kentaro Nagai, Takashi Yamaguchi, Kumiko Sakaguchi, Takahiro Yamazaki | 2022-04-19 |
| 9765671 | Exhaust treatment apparatus for engine | Hideyuki Koyama, Tomoya Akitomo, Yuichi Tamaki | 2017-09-19 |