Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7438816 | Method for treating water containing ammonium-nitrogen | Takaaki Tokutomi, Nobuhiro Orita | 2008-10-21 |
| 7297276 | Method for treating water containing ammonium-nitrogen | Takaaki Tokutomi, Nobuhiro Orita | 2007-11-20 |