Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431834 | Waste water and sludge treatment apparatus | Takao Hagino, Hideyuki Ishikawa, Yuichi Fuchu | 2008-10-07 |
| 7402245 | Digested sludge treatment apparatus | Takao Hagino, Noriko Ueda | 2008-07-22 |
| 7318896 | Method and apparatus for utilization of recovered magnesium ammonium phosphate | Toshihiro Tanaka | 2008-01-15 |
| 7264715 | Apparatus for treating organic wastewater and sludge | Takao Hagino, Yuichi Fuchu, Hideyuki Yoshida, Masaaki Nishimoto | 2007-09-04 |