Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697403 | Denitrification system | Atsushi Morii, Shigeyuki Nishijima | 1997-12-16 |
| 5679314 | Method for recovering ammonia adsorbent | Atsushi Morii, Satoru Serizawa, Osamu Naito, Kouzo Iida | 1997-10-21 |