Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520137 | Twin-hull boat with hydrofoils | Toshihiko Arii, Kensaku Takenaka, Yoshitada Hiramatsu, Hiromasa Sugimura, Ryohei Takeuchi +3 more | 1996-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520137 | Twin-hull boat with hydrofoils | Toshihiko Arii, Kensaku Takenaka, Yoshitada Hiramatsu, Hiromasa Sugimura, Ryohei Takeuchi +3 more | 1996-05-28 |