Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686053 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent | Hirofumi Kikkawa, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka, Shigeru Nozawa +2 more | 1997-11-11 |
| 5648048 | Wet-type flue gas desulfurization plant | Hiroshi Kuroda, Masakatsu Nishimura, Hiroyuki Kaku, Shigeru Nozawa, Shigehito Takamoto +7 more | 1997-07-15 |