Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10898881 | Catalyst for metal mercury oxidation reactions and nitrogen oxide reduction reactions, and exhaust gas purification method | Shinpei Kaneda, Naomi Imada | 2021-01-26 |
| 10549264 | Method of regenerating used denitration catalyst | Keiichiro Kai, Naomi Imada | 2020-02-04 |
| 9724683 | Catalyst structure | Keiichiro Kai, Kenichi Arakawa, Naomi Imada | 2017-08-08 |
| 9694318 | Catalyst structure for exhaust gas cleaning | Keiichiro Kai | 2017-07-04 |
| 9550146 | NOx reduction catalyst for exhaust gas and method for producing same | Seiji Ikemoto | 2017-01-24 |
| 9186657 | Exhaust gas purification catalyst suppressing influence of iron compound | Naomi Imada, Keiichiro Kai | 2015-11-17 |
| 9067194 | Method of regenerating used catalyst | — | 2015-06-30 |
| 9044736 | Method for producing metal substrate for flue gas denitration catalyst | Naomi Imada, Keiichiro Kai, Kotoe Matsuyama | 2015-06-02 |
| 8748332 | Method for cleaning used denitration catalyst | Seiji Ikemoto, Keiichiro Kai | 2014-06-10 |
| 8673250 | Exhaust gas purification catalyst and production method therefor, and method for purifying nitrogen oxide in exhaust gas | Keiichiro Kai, Naomi Imada | 2014-03-18 |
| 8664141 | Catalyst for cleaning up nitrogen oxides and a method for producing same | Masatoshi Fujisawa | 2014-03-04 |
| 8535628 | Exhaust gas purifying catalyst | Keiichiro Kai, Naomi Imada | 2013-09-17 |
| 8518852 | Base for catalyst, catalyst and methods for producing those | Naomi Imada | 2013-08-27 |
| 8470728 | Exhaust gas purifying catalyst | Keiichiro Kai, Naomi Imada | 2013-06-25 |
| 8372363 | Method of mercury removal from combustion exhaust gas and combustion exhaust gas purification apparatus | Keiichiro Kai, Seiji Ikemoto | 2013-02-12 |
| 8323597 | Method for purifying exhaust gas containing mercury metal, oxidation catalyst for mercury metal in exhaust gas and method for producing the same | — | 2012-12-04 |
| 8202482 | Apparatus for removing of trace of toxic substance from exhaust gas and method of operating the same | Yoshinori Nagai, Toshio Katsube, Isato Morita, Hirofumi Kikkawa | 2012-06-19 |
| 7842644 | Catalyst for oxidation of metal mercury | Keiichiro Kai | 2010-11-30 |
| 7824635 | Filter for exhaust gas from diesel engine and equipment | Eiji Miyamoto, Masatoshi Fujisawa, Naomi Imada, Hiroshi Ishizaka, Kazuki Kobayashi +1 more | 2010-11-02 |
| 7655064 | Particulate matter-containing exhaust emission controlling filter, exhaust emission controlling method and device | Takashi Michimoto, Eiji Miyamoto, Naomi Imada, Masatochi Fujisawa, Kazuki Kobayashi +2 more | 2010-02-02 |
| 7591987 | Method and apparatus for treating ammonia-containing gas | — | 2009-09-22 |
| 7585807 | Production of catalyst for removal of introgen oxides | Naomi Imada, Yoshinori Nagai | 2009-09-08 |
| 7334631 | Heat exchanger | Takao Ishizuka, Nobuyoshi Tsuzuki | 2008-02-26 |
| 7160527 | Method for treating amonia-containing effluent water | Hirofumi Kikkawa, Naomi Imada, Takanori Nakamoto, Shigehito Takamoto | 2007-01-09 |
| 7005402 | Exhaust gas purifying catalyst compound, catalyst comprising said compound and method for preparing the compound | Kouichi Yokoyama, Masatoshi Fujisawa | 2006-02-28 |