Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399188 | Apparatus for removing carbon dioxide in combustion exhaust gas | Eiji Miyamoto, Koichi Yokoyama, Naoki Oda | 2016-07-26 |
| 9120051 | Method and device for treating exhaust gas containing carbon dioxide | Koichi Yokoyama, Eiji Miyamoto, Naoki Oda | 2015-09-01 |
| 8828130 | Exhaust gas treatment system equipped with carbon dioxide removal device | Jun SHIMAMURA, Toshio Katsube, Masaharu Kuramoto, Naoki Oda | 2014-09-09 |
| 8741245 | Carbon dioxide-absorbing solution and method of recovering carbon dioxide | Koichi Yokoyama, Eiji Miyamoto, Hirofumi Kikkawa, Toshio Katsube, Naoki Oda +2 more | 2014-06-03 |
| 7160527 | Method for treating amonia-containing effluent water | Hirofumi Kikkawa, Yasuyoshi Kato, Naomi Imada, Takanori Nakamoto | 2007-01-09 |
| 6080370 | Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent | Hirofumi Kikkawa, Fumito Nakajima, Hiroyuki Kaku, Hiroshi Ishizaka, Shigeru Nozawa +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, Hiroshi Ishizaka, Shigeru Nozawa +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, Hiroshi Ishizaka, Shigeru Nozawa +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, Hiroshi Ishizaka, Shigeru Nozawa +2 more | 1997-11-11 |
| 5648048 | Wet-type flue gas desulfurization plant | Hiroshi Kuroda, Fumito Nakajima, Masakatsu Nishimura, Hiroyuki Kaku, Shigeru Nozawa +7 more | 1997-07-15 |
| 4950462 | Process for absorbing CO | Genroku Nakao, Hiroshi Ishisaka, Yasuyuki Nishimura | 1990-08-21 |
| 4884396 | Desulfurizing agent and process for treating hydrogen sulfide containing gas, coal gasification system and power generation system based on coal gasification using the desulfurizing agent | Tomohiko Miyamoto, Shuntaro Koyama, Jinichi Tomuro, Atsushi Morihara, Hisao Yamashita +3 more | 1989-12-05 |
| 4828486 | Fluidized bed combustor and a method of operating same | Koya Sakamoto, Yutaka Yoneda, Naoki Fujiwara | 1989-05-09 |
| 4806692 | Process for producing an oxygen-containing organic compound from olefins | Mutsuo Yamada, Taiji Kamiguchi, Hirotoshi Tanimoto, Yoshijiro Arikawa, Hiroyuki Kaku | 1989-02-21 |
| 4770352 | Coal-water slurry producing system | Nobuyasu Meguri | 1988-09-13 |
| 4613084 | Process for producing a coal-water slurry | Kazunori Shoji, Nobuyasu Meguri, Yoshinori Ohtani, Hirofumi Kikkawa, Yasuyuki Nishimura +2 more | 1986-09-23 |
| 4338283 | Fluidized bed combustor | Koya Sakamoto, Yutaka Yoneda, Naoki Fujiwara | 1982-07-06 |