Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9822026 | Method and system for sludge treatment | Masakazu Sawai | 2017-11-21 |
| 6807915 | Method of carbonization of organic waste and apparatus therefor | Yoshihiro NAGASHIMA, Masashi Ibata, Masaaki Ohyama | 2004-10-26 |