Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132624 | Method for treating waste water | Takashi Suzuki, Toshio Sato, Akira Ookubo, Tomohide Koizumi, Shouichi Oonishi | 2000-10-17 |
| 5976401 | Agent for removing phosphates, nitrates and nitrites from wastewater | Takashi Suzuki, Toshio Sato, Akira Ookubo, Tomohide Koizumi, Shoichi Oonishi | 1999-11-02 |