Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927784 | Abnormality diagnosis system of ammonia detection device | Go Hayashita | 2021-02-23 |
| 10598063 | Exhaust purification system of internal combustion engine | Keiichiro Aoki, Go Hayashita | 2020-03-24 |
| 10570843 | Exhaust purification system of internal combustion engine | Keiichiro Aoki, Go Hayashita | 2020-02-25 |
| 8904756 | Exhaust emission control system of internal combustion engine | Takaaki Itou, Keisuke Sano, Kazuhiro Wakao | 2014-12-09 |
| 8627650 | Exhaust gas purification device and exhaust gas purification method | Keisuke Sano, Takaaki Itou, Kazuhiro Wakao | 2014-01-14 |
| 8516801 | Exhaust gas purifying apparatus for internal combustion engine | Keisuke Sano, Takaaki Itou, Kazuhiro Wakao | 2013-08-27 |
| 8468805 | Exhaust gas purification device and exhaust gas purification method for internal combustion engine | Kazuhiro Wakao, Takaaki Itou, Keisuke Sano | 2013-06-25 |
| 8327622 | Exhaust gas purifying apparatus for internal combustion engine | Keisuke Sano, Takaaki Itou, Kazuhiro Wakao | 2012-12-11 |
| 8261534 | Exhaust gas purifying apparatus for internal combustion engine | Keisuke Sano, Takaaki Itou, Kazuhiro Wakao | 2012-09-11 |
| 8257471 | Exhaust-gas converting apparatus | Takaaki Kanazawa, Keisuke Sano, Kazuhiro Wakao, Takaaki Itou | 2012-09-04 |
| 8245497 | Exhaust emission control device for internal combustion engine and performance diagnosis method for NOx adsorbent | Takaaki Itou, Keisuke Sano, Kazuhiro Wakao | 2012-08-21 |
| 8132450 | Malfunction diagnosis device for exhaust gas purification system and malfunction diagnosis method therefor | Daisuke Shibata, Hiroshi Sawada, Taiga Hagimoto, Kazuhiro Wakao, Keisuke Sano | 2012-03-13 |
| 7380476 | Gas sampling bag | Hitoshi Hirai, Hideki Ohashi, Toshio Mizutaka, Kenichi Uchida, Hiroaki Katumata | 2008-06-03 |