Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896858 | Gas refining system | Atsushi Tatani, Makoto Susaki, Kazuaki Kimura, Toshikuni Sera, Kenji Inoue | 2005-05-24 |
| 6773680 | Combustion exhaust gas treatment system | Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2004-08-10 |
| 6740297 | Combustion exhaust gas treatment system | Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2004-05-25 |
| 6517792 | Combustion exhaust gas treatment system | Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2003-02-11 |
| 6511636 | Combustion exhaust gas treatment system | Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2003-01-28 |
| 6168721 | Process for the treatment of arsenic-containing sludge | Satoru Sugita, Koichiro Iwashita, Hiroshi Baba, Hideki Kamiyoshi, Morikata Nishida | 2001-01-02 |
| 6113863 | Combustion exhaust gas treatment system | Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa, Masao Hino +4 more | 2000-09-05 |
| 6106726 | Method of treating sludge containing arsenic | Hiroshi Fujita, Koosoo Tao, Mamoru Yokose | 2000-08-22 |
| 5976376 | Sewage treatment process | Yasuyuki Ogushi, Masato Kaneko, Naohiko Ukawa, Susumu Okino, Masao Hino +3 more | 1999-11-02 |
| 5824273 | Gas refining system | Atsushi Tatani, Makoto Susaki, Kazuaki Kimura, Toshikuni Sera, Kenji Inoue | 1998-10-20 |
| 5770166 | Slurry thickening tank and absorption tower for use in wet flue gas desulfurization systems | Koichiro Iwashita, Yoshikazu Endo, Masakazu Onizuka, Toru Takashina | 1998-06-23 |
| 5662794 | Solid-liquid separator and wet flue gas desulfurization apparatus | Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa | 1997-09-02 |
| 5653944 | Slurry filtration device and flue-gas desulfurization system | Koichiro Iwashita, Yoshikazu Endo, Masakazu Onizuka, Toru Takashina | 1997-08-05 |
| 5605552 | Wet type flue gas desulfurization apparatus | Tsuyoshi Ohishi, Koichiro Iwashita, Yoshikazu Endo | 1997-02-25 |
| 5266286 | Flue gas desulfurization process | Naohiko Ukawa, Susumu Okino, Kenji Inoue, Toshiaki Kinomoto | 1993-11-30 |
| 5034028 | Exhaust gas treating method | Naohiko Ukawa, Susumu Okino, Kouichiro Iwashita | 1991-07-23 |
| 4886524 | Method for treating waste liquid in wet exhaust gas treating apparatus | Naoharu Shinoda, Kenichi Yoneda, Masao Hino, Kenzo Muramatsu, Masato Miyake +1 more | 1989-12-12 |
| 4696805 | Method for desulfurizing exhaust gas | Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka, Susumu Okino | 1987-09-29 |
| 4696804 | Method for treating SO.sub.2, SO.sub.3 and dust simultaneously | Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka, Susumu Okino | 1987-09-29 |
| 4632810 | Method for treating waste gas to separate and recover gypsum and dust therein | Naoharu Shinoda, Atsushi Tatani, Naohiko Ukawa, Masakazu Onizuka | 1986-12-30 |
| 4618482 | Method for controlling a concentration of slurry in wet flue gas desulfurization apparatus | Naoharu Shinoda, Atsushi Tatani, Setsuo Omoto, Susumu Okino | 1986-10-21 |
| 4374812 | Process for stack gas treatment | Masumi Atsukawa, Naoharu Shinoda, Atsushi Tatani | 1983-02-22 |