Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925640 | Method for denitration of exhaust gas containing arsenic compounds by catalysts and method | Atsushi Morii, Toshio Koyanagi, kouzou Iida | 1990-05-15 |
| 4869735 | Adsorbent for arsenic compound and method for removing arsenic compound from combustion gas | Masaki Miyazawa, Norihisa Kobayashi, Atsushi Morii, Toshio Koyanagi, Touru Seto +9 more | 1989-09-26 |