Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869823 | Rotary drum type solid-liquid separation apparatus | Tamotsu Date, Takashi Nagayama, Tsuneo Kouzuki | 1989-09-26 |
| 4707260 | Solid liquid separation device | Takashi Nagayama, Tamotsu Date | 1987-11-17 |
| 4443337 | Biological treatment of waste water | Teruo Senda, Michio Hirose | 1984-04-17 |
| 4233159 | Solid-liquid separation element and apparatus | Teruo Senda | 1980-11-11 |