Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773680 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa +4 more | 2004-08-10 |
| 6740297 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa +4 more | 2004-05-25 |
| 6517792 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa +4 more | 2003-02-11 |
| 6511636 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa +4 more | 2003-01-28 |
| 6254771 | Method of processing desulfurization absorption liquid and apparatus therefor | Koichiro Iwashita, Takeo Shinoda, Masakazu Onizuka, Kenji Inoue | 2001-07-03 |
| 6113863 | Combustion exhaust gas treatment system | Taku Shimizu, Kazuaki Kimura, Kiyoshi Okazoe, Atsushi Tatani, Naohiko Ukawa +4 more | 2000-09-05 |
| 5976376 | Sewage treatment process | Yasuyuki Ogushi, Masato Kaneko, Naohiko Ukawa, Susumu Okino, Takashi Haruki +3 more | 1999-11-02 |
| 5756052 | Flue gas treatment system | Hiroshi Suzumura, Yasuyuki Ogushi, Naohiko Ukawa, Koosoo Tao, Nobuo Kojima +2 more | 1998-05-26 |
| 4886524 | Method for treating waste liquid in wet exhaust gas treating apparatus | Naoharu Shinoda, Kenichi Yoneda, Kenzo Muramatsu, Masato Miyake, Taku Shimizu +1 more | 1989-12-12 |
| 4853194 | Method for treating exhaust gas | Kenichi Yoneda, Masato Miyake, Hidehiko Otani, Noriya Shingu, Tsukasa Isahaya +2 more | 1989-08-01 |
| 4818445 | Apparatus for treating a solution or a slurry solution | Masakazu Onizuka, Atsushi Tatani, Katsuhiko Yamada, Nobutaka Maeda, Tokuma Arai | 1989-04-04 |
| 4572903 | Method for reactivating catalysts used for removing nitrogen oxides with steam | Mitsuyasu Honda, Toru Seto | 1986-02-25 |
| 4544525 | Solid gas contact reactor | Mitsuyasu Honda, Toru Seto | 1985-10-01 |
| 4420313 | Method for dust removal from solid-gas contact reactor | Michio Hada, Yoshihiro Shiraishi, Seto Toru | 1983-12-13 |