Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7520232 | Tank covers and ships | Satoshi Miyazaki, Koichi Sato, Manabu Ichinose | 2009-04-21 |
| 4979452 | Ship having a dome on its upper deck | Daisuke Sakai, Kunifumi Hashimoto | 1990-12-25 |