Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280804 | Control valve | Makoto Takashima | 1994-01-25 |
| 5233937 | Ballast tank internal gas controlling type tanker | — | 1993-08-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280804 | Control valve | Makoto Takashima | 1994-01-25 |
| 5233937 | Ballast tank internal gas controlling type tanker | — | 1993-08-10 |