Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501161 | Ship steering device and ship including the same | Jun Watanabe | 2019-12-10 |
| 10457371 | Vessel steering apparatus | Naohiro Hara, Hiroaki Wakahara, Jun Watanabe | 2019-10-29 |