Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464116 | Insulation structure for liquefied gas tank | Eiji Aoki, Koichiro Yamada | 1995-11-07 |
| 5445096 | Hull protection system for liquefied gas ship | Eiji Aoki, Koichoro Yamada | 1995-08-29 |