Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199367 | Catamaran | Kotaro Horiuchi, Keiji Nakagawa | 1993-04-06 |
| 5078072 | Catamaran | Kotaro Horiuchi, Keiji Nakagawa | 1992-01-07 |
| 4972792 | Lateral stabilization device for entirely submerged type hydrofoil craft | Kotaro Horiuchi | 1990-11-27 |
| 4936240 | Structure for holding underwater projections | Masayuki Hattori, Tsukasa Okuzaki | 1990-06-26 |