Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773680 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2004-08-10 |
| 6740297 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2004-05-25 |
| 6517792 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2003-02-11 |
| 6511636 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2003-01-28 |
| 6190630 | Flue gas treating process and apparatus | Masakazu Onizuka, Toru Takashina, Hiroyuki Katayama | 2001-02-20 |
| 6113863 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2000-09-05 |
| 6096279 | Flue gas treating process and system | Koichiro Iwashita, Kazuaki Kimura, Toyoshi Nakagawa, Naohiko Ukawa, Susumu Okino | 2000-08-01 |
| 6007783 | Flue gas treating system and process | Eiji Ochi, Makiichi Ishihara, Toru Takashina | 1999-12-28 |
| 6001321 | Exhaust gas treatment apparatus and method | Eiji Ochi, Makiichi Ishihara, Toru Takashina | 1999-12-14 |
| 5976376 | Sewage treatment process | Yasuyuki Ogushi, Masato Kaneko, Naohiko Ukawa, Susumu Okino, Masao Hino +3 more | 1999-11-02 |
| 5958335 | Method and apparatus for preventing corrosion of exhaust gas treatment systems | Yoshio Nakayama, Koichiro Iwashita, Atsushi Tatani, Shigeo Hasegawa | 1999-09-28 |
| 5928413 | Flue gas treating system and process | Eiji Ochi, Toru Takashina | 1999-07-27 |
| 5879639 | Wet flue gas desulfurization system | Atsushi Tatani, Yoshio Nakayama, Koichiro Iwashita | 1999-03-09 |
| 5840263 | Flue gas treating process and system | Takeo Shinoda, Tamotsu Higuchi, Shinichiro Kotake, Tatsuto Nagayasu, Koichiro Iwashita +3 more | 1998-11-24 |
| 5762884 | Flue gas treating system | Toyoshi Nakagawa, Atsushi Tatani | 1998-06-09 |
| 5762883 | Wet flue gas desulfurization apparatus | Eiji Ochi, Toru Takashina, Susumu Okino | 1998-06-09 |
| 5756052 | Flue gas treatment system | Hiroshi Suzumura, Yasuyuki Ogushi, Naohiko Ukawa, Masao Hino, Koosoo Tao +2 more | 1998-05-26 |
| 5665129 | Wet flue-gas dsulfurization system | Toyoshi Nakagawa, Toru Takashina | 1997-09-09 |
| 5662794 | Solid-liquid separator and wet flue gas desulfurization apparatus | Atsushi Tatani, Taku Shimizu, Naohiko Ukawa | 1997-09-02 |
| 5641460 | Gas-liquid contactor and wet flue-gas desulfurization system | Yoshio Nakayama, Yoichi Shiga, Masakazu Onizuka | 1997-06-24 |
| 5620667 | Wet process flue gas desulfurization apparatus | Hiroyuki Nemoto, Kenichi Sato | 1997-04-15 |
| 5246678 | High-performance flue-gas desulfurization process | Eiji Ochi, Naohiko Ukawa, Susumu Okino | 1993-09-21 |
| 5221298 | Wet exhaust gas desulfurization apparatus and method | Eiji Ochi, Naohiko Ukawa, Susumu Okino, Masakazu Onizuka | 1993-06-22 |