Issued Patents All Time
Showing 76–96 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5295400 | Slurry sampling device and method | Atsushi Tatani, Naohiko Ukawa, Toru Takashina, Tsumoru Nakamura, Tokuma Arai +1 more | 1994-03-22 |
| 5284557 | Method for desulfurizing exhaust smoke | Naohiko Ukawa, Toru Takashina, Masakazu Onizuka, Kenji Inoue | 1994-02-08 |
| 5266286 | Flue gas desulfurization process | Naohiko Ukawa, Kenji Inoue, Toshiaki Kinomoto, Taku Shimizu | 1993-11-30 |
| 5246678 | High-performance flue-gas desulfurization process | Eiji Ochi, Kiyoshi Okazoe, Naohiko Ukawa | 1993-09-21 |
| 5221298 | Wet exhaust gas desulfurization apparatus and method | Eiji Ochi, Kiyoshi Okazoe, Naohiko Ukawa, Masakazu Onizuka | 1993-06-22 |
| 5209905 | Wet-type exhaust gas desulfurization system having a means for supplying air | Masakazu Onizuka, Kenji Inoue, Naohiko Ukawa, Toru Takashina | 1993-05-11 |
| 5192518 | Method for desulfurizing exhaust smoke | Naohiko Ukawa, Toru Takashina, Masakazu Onizuka, Kenji Inoue | 1993-03-09 |
| 5132027 | Method and apparatus for treating absorbent solution slurry containing fly ash | Naohiko Ukawa, Toru Takashina, Masakazu Onizuka | 1992-07-21 |
| 5053061 | Gas-liquid contacting method | Atsushi Tatani, Masakazu Onizuka | 1991-10-01 |
| 5034028 | Exhaust gas treating method | Naohiko Ukawa, Taku Shimizu, Kouichiro Iwashita | 1991-07-23 |
| 4773374 | Fuel injection system for internal combustion engine | Hideo Kiuchi, Oyuki Ogawa, Hiroshi Yamazoe, Hitoshi Tasaka, Minoru Kuroda | 1988-09-27 |
| 4696805 | Method for desulfurizing exhaust gas | Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka, Taku Shimizu | 1987-09-29 |
| 4696804 | Method for treating SO.sub.2, SO.sub.3 and dust simultaneously | Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka, Taku Shimizu | 1987-09-29 |
| 4677077 | Method for measuring the concentration of CaCO.sub.3 in a slurry | Masakazu Onizuka, Susumu Kono | 1987-06-30 |
| 4675167 | Method of treating exhaust gases | Naoharu Shinoda, Atsushi Tatani, Masakazu Onizuka, Setsuo Omoto | 1987-06-23 |
| 4663724 | Method for the continuous determination of the concentration of a carbonate and a sulfite in a liquid | Masakazu Onizuka, Naohiko Ukawa, Susumu Kono | 1987-05-05 |
| 4618482 | Method for controlling a concentration of slurry in wet flue gas desulfurization apparatus | Naoharu Shinoda, Atsushi Tatani, Setsuo Omoto, Taku Shimizu | 1986-10-21 |
| 4539190 | Method for the treatment of exhaust gases | Naoharu Shinoda, Atsushi Tatani, Kenji Inoue | 1985-09-03 |
| 4533531 | Exhaust fume desulfurization process | Naoharu Shinoda, Atsushi Tatani, Naohiko Ukawa | 1985-08-06 |
| 4420465 | Process for desulfurizing an exhaust gas | Naoharu Shinoda, Atsushi Tatani, Naohiko Ukawa, Michio Oshima, Sadaichi Shigeta | 1983-12-13 |
| 4297332 | Method for treatment of a discharge liquid produced in treatment of an exhaust gas | Atsushi Tatani | 1981-10-27 |