Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152518 | Exhaust purification filter | Chiaki SEKI, Yusuke Imai, Atsushi Furukawa, Yuichi Matsuo | 2024-11-26 |
| 12092008 | Exhaust purification filter | Chiaki SEKI, Yusuke Imai, Atsushi Furukawa, Yuichi Matsuo | 2024-09-17 |
| 9783225 | Electric power steering device | Hiroaki Suzuki, Shingo Ougita, Tatsuya Kawai, Toshinobu Maeda, Yasutaka Fukumoto | 2017-10-10 |
| 9032714 | Exhaust purification system for internal combustion engine | Yuji Yasui, Hideki Matsunaga, Masafumi Sakota | 2015-05-19 |
| 8978367 | Exhaust gas purifying system of internal combustion engine | Hideki Matsunaga, Yuji Yasui, Masafumi Sakota, Eiji Hashimoto | 2015-03-17 |
| 8875497 | Exhaust purification system for internal combustion engine | Hideki Matsunaga, Yuji Yasui, Eiji Hashimoto, Hisao Haga, Masafumi Sakota | 2014-11-04 |
| 8425869 | NOx purifying catalyst | Osami Yamamoto, Koichi Inaba | 2013-04-23 |
| 8413426 | Method of exhaust cleaning for internal combustion engine and exhaust cleaner | Jun Iwamoto, Go Motohashi, Hiroshi Ohno | 2013-04-09 |
| 8372366 | NOx purifying catalyst | Osami Yamamoto, Koichi Inaba | 2013-02-12 |
| 8205449 | Internal combustion engine and control system for internal combustion engine | Fumihiro MONDORI | 2012-06-26 |
| 7992378 | Exhaust gas purifying device for an internal combustion engine | Tomoko Morita, Norio Suzuki | 2011-08-09 |
| 7794679 | Catalyst and method for purification of diesel engine exhaust gas | Tadao Nakatsuji, Naoki Oya | 2010-09-14 |
| 7666375 | Method for catalytic reduction of nitrogen oxides | Tadao Nakatsuji, Norio Suzuki, Hiroshi Ohno | 2010-02-23 |
| 7585477 | Catalyst and method for catalytic reduction of nitrogen oxides | Tadao Nakatsuji, Norio Suzuki, Hiroshi Ohno, Tomoko Morita, Katsuji Wada | 2009-09-08 |