Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626356 | Sludge concentration method | Akira Suzuki, Norio Watanabe | 1986-12-02 |
| 4500427 | Activated-sludge process for wastewater treatment | Akira Suzuki, Norio Watanabe, Keiichi Kimura | 1985-02-19 |
| 4452699 | Method of improving the SVI of mixed liquor in aeration tank | Akira Suzuki, Keiichi Kimura | 1984-06-05 |
| 4398476 | Method for incinerating sewage sludge | Akira Suzuki, Keiichi Kimura | 1983-08-16 |
| 4370235 | Method of treating excess sludge | Akira Suzuki | 1983-01-25 |