Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9028763 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto, Kohei Yoshida | 2015-05-12 |
| 9028761 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto, Kohei Yoshida | 2015-05-12 |
| 9021788 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Yuki Bisaiji, Kazuhiro Umemoto | 2015-05-05 |
| 9010090 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida, Kazuhiro Umemoto | 2015-04-21 |
| 9010097 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Yuki Bisaiji, Kazuhiro Umemoto, Masahide Iida | 2015-04-21 |
| 8925303 | Exhaust gas control device of internal combustion engine | Kenichi Tsujimoto | 2015-01-06 |
| 8833056 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto, Kohei Yoshida | 2014-09-16 |
| 8820054 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida, Kazuhiro Umemoto | 2014-09-02 |
| 8813476 | Diagnosis apparatus for reducing agent supply apparatus | — | 2014-08-26 |
| 8763370 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2014-07-01 |
| 8707681 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2014-04-29 |
| 8701392 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2014-04-22 |
| 8695325 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2014-04-15 |
| 8689546 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Yuki Bisaiji | 2014-04-08 |
| 8689543 | Exhaust purification system of internal combustion engine | Yoshiki Numata, Kohei Yoshida, Yuki Bisaiji | 2014-04-08 |
| 8683784 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2014-04-01 |
| 8679410 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto, Kohei Yoshida, Yuki Bisaiji | 2014-03-25 |
| 8671667 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2014-03-18 |
| 8656706 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto, Kohei Yoshida | 2014-02-25 |
| 8641939 | Porous carbon sheet and process for production thereof | Takashi Chida, Kenya Okada | 2014-02-04 |
| 8596046 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Yuki Bisaiji, Kazuhiro Umemoto | 2013-12-03 |
| 8572950 | Exhaust purification system of internal combustion engine | Yuki Bisaiji, Kohei Yoshida | 2013-11-05 |
| 8544259 | Exhaust purification system of internal combustion engine | Kenichi Tsujimoto | 2013-10-01 |
| 8534048 | Exhaust purification system of internal combustion engine | — | 2013-09-17 |
| 8534051 | Exhaust purification device of internal combustion engine | Kenichi Tsujimoto, Shinya Hirota | 2013-09-17 |