Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077080 | Vehicle | Hiroshi Matsuda | 2018-09-18 |
| 10078332 | Ship handling device | Gakuji TAMURA, Hiroaki Wakahara, Naohiro Hara | 2018-09-18 |
| 9963214 | Ship handling device | Gakuji TAMURA, Hiroaki Wakahara, Naohiro Hara | 2018-05-08 |
| 9908605 | Ship steering system for outdrive device | Akiyoshi Hayashi, Naohiro Hara, Junichi Hitachi | 2018-03-06 |