Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869735 | Adsorbent for arsenic compound and method for removing arsenic compound from combustion gas | Masaki Miyazawa, Hiromu Takatsuka, Atsushi Morii, Toshio Koyanagi, Touru Seto +9 more | 1989-09-26 |
| 4857276 | Apparatus for treating exhaust gas | Toru Seto, Shigeaki Mitsuoka, Atsushi Morii | 1989-08-15 |