Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10233092 | Ballast water treatment device | Tomoaki TANGE | 2019-03-19 |
| 10058806 | Ballast water treatment device | Tomoaki TANGE, Akinori Kawakami, Hitoshi Shiraishi, Yasuhiko Saito, Takamichi Ide | 2018-08-28 |