Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138378 | Wet gas processing method and the apparatus using the same | Naoyuki Kamiyama, Takeo Shinoda, Hiromitsu Nagayasu, Susumu Okino, Masakazu Onizuka +3 more | 2000-10-31 |
| 6113863 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa +4 more | 2000-09-05 |
| 6051055 | Exhaust gas desulfurization system | Naohiko Ukawa, Susumu Okino, Kazuaki Kimura, Koichiro Iwashita, Kouji Ikeda +1 more | 2000-04-18 |
| 6007783 | Flue gas treating system and process | Eiji Ochi, Kiyoshi Okazoe, Makiichi Ishihara | 1999-12-28 |
| 6001154 | Gas-liquid contact apparatus | Shinichiro Kotake, Kazuaki Kimura, Eiji Ochi, Susumu Okino | 1999-12-14 |
| 6001321 | Exhaust gas treatment apparatus and method | Kiyoshi Okazoe, Eiji Ochi, Makiichi Ishihara | 1999-12-14 |
| 5928413 | Flue gas treating system and process | Eiji Ochi, Kiyoshi Okazoe | 1999-07-27 |
| 5878675 | Flue gas desulfurizer, boiler equipment and thermal electric power generation equipment | Masaki Iijima, Atsushi Tatani, Kazuaki Kimura, Koichiro Iwashita, Satoshi Yajima +1 more | 1999-03-09 |
| 5840263 | Flue gas treating process and system | Takeo Shinoda, Tamotsu Higuchi, Shinichiro Kotake, Kiyoshi Okazoe, Tatsuto Nagayasu +3 more | 1998-11-24 |
| 5770161 | Flue gas treating system | Eiji Ochi, Takao Sodeshita | 1998-06-23 |
| 5770166 | Slurry thickening tank and absorption tower for use in wet flue gas desulfurization systems | Taku Shimizu, Koichiro Iwashita, Yoshikazu Endo, Masakazu Onizuka | 1998-06-23 |
| 5762883 | Wet flue gas desulfurization apparatus | Kiyoshi Okazoe, Eiji Ochi, Susumu Okino | 1998-06-09 |
| 5665129 | Wet flue-gas dsulfurization system | Kiyoshi Okazoe, Toyoshi Nakagawa | 1997-09-09 |
| 5653944 | Slurry filtration device and flue-gas desulfurization system | Taku Shimizu, Koichiro Iwashita, Yoshikazu Endo, Masakazu Onizuka | 1997-08-05 |
| 5616290 | Gas-liquid contacting apparatus | Makiichi Ishihara, Takakazu Sunada, Shigeo Hasegawa, Naohiko Ukawa, Yukio Kita +4 more | 1997-04-01 |
| 5605655 | Gas-liquid contacting apparatus | Makiichi Ishihara, Takakazu Sunada, Shigeo Hasegawa, Naohiko Ukawa, Yukio Kita +4 more | 1997-02-25 |
| 5433936 | Flue gas desulfurization process | Naohiko Ukawa, Tsumoru Nakamura, Shinichiro Kotake | 1995-07-18 |
| 5395561 | Method of producing solid moldings from a by-product of wet limestone-gypsum desulfurization of flue gas | Naohiko Ukawa, Hiroshi Fujita, Masakazu Onizuka, Atsushi Tatani, Kenji Inoue +1 more | 1995-03-07 |
| 5295400 | Slurry sampling device and method | Atsushi Tatani, Naohiko Ukawa, Susumu Okino, Tsumoru Nakamura, Tokuma Arai +1 more | 1994-03-22 |
| 5284557 | Method for desulfurizing exhaust smoke | Naohiko Ukawa, Susumu Okino, Masakazu Onizuka, Kenji Inoue | 1994-02-08 |
| 5209905 | Wet-type exhaust gas desulfurization system having a means for supplying air | Masakazu Onizuka, Kenji Inoue, Naohiko Ukawa, Susumu Okino | 1993-05-11 |
| 5192518 | Method for desulfurizing exhaust smoke | Naohiko Ukawa, Susumu Okino, Masakazu Onizuka, Kenji Inoue | 1993-03-09 |
| 5132027 | Method and apparatus for treating absorbent solution slurry containing fly ash | Naohiko Ukawa, Susumu Okino, Masakazu Onizuka | 1992-07-21 |
| 4810477 | Method for desulfurizing smoke | Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka | 1989-03-07 |