Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6383378 | Apparatus for treating organic waste water | Susumu Hasegawa, Akira Akashi, Masahiko Miura, Takahiro Fukui | 2002-05-07 |
| 6383387 | Method for treating organic waste water | Susumu Hasegawa, Akira Akashi, Masahiko Miura, Takahiro Fukui | 2002-05-07 |
| 6224769 | Method and apparatus for treating organic waste water | Susumu Hasegawa, Akira Akashi, Masahiko Miura, Takahiro Fukui | 2001-05-01 |
| 6126828 | Method and apparatus for treating organic waste water | Susumu Hasegawa, Masahiko Miura | 2000-10-03 |
| 6083395 | Method of treating a waste water containing organic solids | Masahiko Miura, Susumu Hasegawa | 2000-07-04 |
| 6033571 | Activated sludge treatment method and apparatus | Susumu Hasegawa, Masahiko Miura, Hideki Yokoyama, Akihiko Hogetsu | 2000-03-07 |