Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10556660 | Ballast water treatment device | Akinori Kawakami | 2020-02-11 |
| 10370263 | Ballast water treatment device | Akinori Kawakami | 2019-08-06 |
| 10233092 | Ballast water treatment device | Yasutomo ZENMAN | 2019-03-19 |
| 10058806 | Ballast water treatment device | Akinori Kawakami, Hitoshi Shiraishi, Yasutomo ZENMAN, Yasuhiko Saito, Takamichi Ide | 2018-08-28 |
| 9475566 | Ballast water treatment device | Akinori Kawakami | 2016-10-25 |