Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443337 | Biological treatment of waste water | Mitsunobu Otani, Michio Hirose | 1984-04-17 |
| 4233159 | Solid-liquid separation element and apparatus | Mitsunobu Otani | 1980-11-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4443337 | Biological treatment of waste water | Mitsunobu Otani, Michio Hirose | 1984-04-17 |
| 4233159 | Solid-liquid separation element and apparatus | Mitsunobu Otani | 1980-11-11 |