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, Masakazu Onizuka, Toru Takashina | 1997-08-05 |
| 5605552 | Wet type flue gas desulfurization apparatus | Taku Shimizu, Tsuyoshi Ohishi, Koichiro Iwashita | 1997-02-25 |