Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787238 | Ship handling device | Jun Watanabe, Koichi Kanda | 2020-09-29 |
| 10782692 | Ship handling device | Daisuke Irahara, Akiyoshi Hayashi | 2020-09-22 |
| 10647401 | Boat | Jun Watanabe | 2020-05-12 |
| 10597132 | Ship | Jun Watanabe | 2020-03-24 |