Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427509 | Regenerated denitration catalyst and method for manufacturing the same, and denitration apparatus | Satoru Shishido, Yu Urabe, Takuma Kurai, Hiroshi Kako | 2025-09-30 |
| 12128393 | Denitration catalyst regeneration method and denitration catalyst regeneration system | Kazuhiro Iwamoto, Masanao Yonemura, Yoshiharu Watanabe, Masanori Demoto | 2024-10-29 |
| 11439981 | Catalyst for hydrolysis of carbonyl sulfide and method of producing same | Masanao Yonemura, Toshinobu Yasutake, Kaori Yoshida | 2022-09-13 |
| 11376566 | Catalyst and method for removing NOX from combustion exhaust gas | Koji Higashino, Tomotsugu Masuda | 2022-07-05 |
| 9623402 | Denitration catalyst and method for producing same | Tomotsugu Masuda | 2017-04-18 |
| 9463453 | Method for producing NOx removal catalyst for high-temperature exhaust gas | Masanao Yonemura, Shuji Fujii, Kazuhiro Iwamoto | 2016-10-11 |
| 9446353 | Catalyst for treating exhaust gas and method for producing the same | Masanao Yonemura, Yoshiaki Obayashi, Hitoshi Nakamura, Toshio Koyanagi | 2016-09-20 |
| 9421525 | Exhaust gas treatment catalyst | Masanao Yonemura, Masanori Demoto, Masashi Kiyosawa | 2016-08-23 |
| 9302251 | NOx removal catalyst for high-temperature flue gas, manufacturing method thereof, and NOx removal method for high-temperature flue gas | Toshinobu Yasutake, Masanao Yonemura | 2016-04-05 |
| 9272265 | Method for suppressing increase in SO2 oxidation rate of NOx removal catalyst | Masashi Kiyosawa | 2016-03-01 |
| 9249706 | Method for regenerating exhaust gas treatment catalyst | Masanao Yonemura, Masashi Kiyosawa, Masanori Demoto, Kyohei Takakura | 2016-02-02 |
| 9227158 | Method of regenerating NOx removal catalyst and method of operating heavy-oil fired combustion apparatus | Masashi Kiyosawa, Hideo Miyanishi | 2016-01-05 |
| 9192920 | Exhaust gas treatment catalyst and method for regenerating the same | Masanao Yonemura, Masanori Demoto, Masashi Kiyosawa | 2015-11-24 |
| 8920535 | Method of separating and recovering metal elements | Masashi Kiyosawa, Norihisa Kobayashi, Kozo Iida, Katsuyasu Sugawara, Yuuki Mochizuki | 2014-12-30 |
| 8910468 | Exhaust gas treatment catalyst, exhaust gas treatment method, and exhaust gas treatment apparatus | Yoshiaki Obayashi, Toshio Koyanagi, Chris E. DiFrancesco | 2014-12-16 |
| 8871665 | Method of regenerating NOx removal catalyst and method of operating heavy-oil fired combustion apparatus | Masashi Kiyosawa, Hideo Miyanishi | 2014-10-28 |
| 8840843 | Air pollution control apparatus and air pollution control system | Nobuyasu Sakata, Rikuma Shijo, Toshihiro Sato, Moritoshi Murakami, Nobuyuki Ukai +1 more | 2014-09-23 |
| 8815194 | NOx removal catalyst for high-temperature flue gas, manufacturing method thereof, and NOx removal method for high-temperature flue gas | Toshinobu Yasutake, Masanao Yonemura | 2014-08-26 |
| 8758711 | Carrier for NOx reduction catalyst | Masanao Yonemura, Masashi Kiyosawa | 2014-06-24 |
| 8722559 | Method of suppressing increase in SO2 oxidation rate of NOx removal catalyst | Masashi Kiyosawa | 2014-05-13 |
| 8518332 | Air pollution control apparatus and air pollution control system | Toshihiro Sato, Nobuyasu Sakata, Rikuma Shijo, Moritoshi Murakami, Nobuyuki Ukai +1 more | 2013-08-27 |
| 8501133 | Catalyst for treating exhaust gases, method for producing the same, and method for treating exhaust gases | Masanao Yonemura, Yoshiaki Obayashi, Hitoshi Nakamura | 2013-08-06 |
| 8440141 | Exhaust gas treatment system | Masanao Yonemura, Yoshiaki Obayashi, Hitoshi Nakamura, Toshio Koyanagi | 2013-05-14 |
| 8420034 | Method and apparatus for treating exhaust gas | Yoshiaki Obayashi, Masashi Kiyosawa, Shintaro Honjo | 2013-04-16 |
| 8410013 | Catalyst for treating exhaust gas | Yoshiaki Obayashi, Masashi Kiyosawa | 2013-04-02 |