Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10537094 | Multi-tube nozzle for use in eradicating harmful aquatic organisms | Yasuaki Kohama, Minoru Ikeda, Yoshihisa Kurita, Ikuo Chiba, Tetsuya Kanno | 2020-01-21 |
| 8557122 | Ballast water treatment equipment, a ballast water detoxifying treatment system using the same, and a method for treating the ballast water | Yasuaki Kohama, Masae Suzuki, Ikuo Chiba, Kouji Onodera, Keiki Kano +4 more | 2013-10-15 |