Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053121 | Method and apparatus for exchanging ballast water in a ship | Masahiro TAMASHIMA | 2000-04-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053121 | Method and apparatus for exchanging ballast water in a ship | Masahiro TAMASHIMA | 2000-04-25 |