Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053144 | Ballast water measurement device and ballast water measurement method | Kaname Harada, Kazuhiko Tsunoda, Minoru Yagi | 2021-07-06 |
| 10145832 | Remote monitoring device for ballast water treatment system and remote monitoring method | Tetsuo Koga, Kazuki Hayashi, Tetsuro Fukase | 2018-12-04 |
| 9212073 | Ballast water treatment agent and method of treating ballast water of ship using the same | Akihide Hirano, Kazuki Hayashi, Tetsurou Fukase | 2015-12-15 |