Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5653944 | Slurry filtration device and flue-gas desulfurization system | Taku Shimizu, Koichiro Iwashita, Yoshikazu Endo, Toru Takashina | 1997-08-05 |
| 5641460 | Gas-liquid contactor and wet flue-gas desulfurization system | Kiyoshi Okazoe, Yoshio Nakayama, Yoichi Shiga | 1997-06-24 |