Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8123958 | Method for treating ship ballast water | Yasuo Fukuyo, Yoshiharu Wakao, Takashi Mizumori, Takeaki Kikuchi | 2012-02-28 |
| 7618545 | Method for treating ship ballast water | Yoshiharu Wakao, Takashi Mizumori | 2009-11-17 |