Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080370 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent | Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka +2 more | 2000-06-27 |
| 5945081 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent | Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka +2 more | 1999-08-31 |
| 5788944 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent | Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka +2 more | 1998-08-04 |
| 5686053 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent | Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Shigehito Takamoto, Hiroshi Ishizaka +2 more | 1997-11-11 |
| 5648048 | Wet-type flue gas desulfurization plant | Hiroshi Kuroda, Fumito Nakajima, Hiroyuki Kaku, Shigeru Nozawa, Shigehito Takamoto +7 more | 1997-07-15 |
| 5429808 | Wet-type exhaust gas desulfurizing apparatus | Hiroshi Kuroda, Shigeru Nozawa, Toshio Katsube, Takanori Nakamoto | 1995-07-04 |
| 4983747 | Process for preparation of perfluoro organic compounds | Naoya Okada, Yasuo Murata, Yasuhiko Hirai | 1991-01-08 |
| 4929317 | Process for preparation of perfluoro organic compounds | Naoya Okada, Yasuo Murata, Yasuhiko Hirai | 1990-05-29 |
| 4836991 | Method for controlling wet-process flue gas desulfurization | Okikazu Ishiguro, Shigeru Nozawa, Hiromi Kamogawa, Shigeyoshi Kawano | 1989-06-06 |
| 4687649 | Flue gas desulfurization process | Hiroshi Kuroda, Tsukasa Nishimura, Taiki Hashimoto, Osamu Kanda, Shigeru Nozawa +1 more | 1987-08-18 |
| 4487784 | Limestone-gypsum flue gas desulfurization process | Hiroshi Kuroda, Tsukasa Nishimura, Taiki Hashimoto, Osamu Kanda, Shigeru Nozawa | 1984-12-11 |
| 4226930 | Electrophotographic method for producing photopolymer printing plate | Yasuyuki Takimoto, Kunsei Tanabe, Shin Saito, Yasushi Umeda | 1980-10-07 |