Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038372 | Exhaust purification system of internal combustion engine | Masao Watanabe, Koutarou Hayashi, Kohei Yoshida, Kazuhiro Umemoto | 2015-05-26 |
| 9034267 | Exhaust purification system of internal combustion engine | Masao Watanabe, Koutarou Hayashi, Kohei Yoshida, Kazuhiro Umemoto | 2015-05-19 |
| 9032711 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2015-05-19 |
| 9034268 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2015-05-19 |
| 9021788 | Exhaust purification system of internal combustion engine | Mikio Inoue, Kohei Yoshida, Kazuhiro Umemoto | 2015-05-05 |
| 9017614 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Kohei Yoshida, Junichi Matsuo, Takamitsu Asanuma | 2015-04-28 |
| 9010097 | Exhaust purification system of internal combustion engine | Mikio Inoue, Kohei Yoshida, Kazuhiro Umemoto, Masahide Iida | 2015-04-21 |
| 9010090 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue, Kazuhiro Umemoto | 2015-04-21 |
| 8820054 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue, Kazuhiro Umemoto | 2014-09-02 |
| 8763370 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2014-07-01 |
| 8707680 | Exhaust purification system of internal combustion engine | — | 2014-04-29 |
| 8707681 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2014-04-29 |
| 8707682 | Exhaust purification system of internal combustion engine | — | 2014-04-29 |
| 8701392 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2014-04-22 |
| 8695325 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2014-04-15 |
| 8689546 | Exhaust purification system of internal combustion engine | Mikio Inoue, Kohei Yoshida | 2014-04-08 |
| 8689543 | Exhaust purification system of internal combustion engine | Yoshiki Numata, Kohei Yoshida, Mikio Inoue | 2014-04-08 |
| 8683784 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2014-04-01 |
| 8679410 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto, Kohei Yoshida, Mikio Inoue | 2014-03-25 |
| 8671667 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2014-03-18 |
| 8596046 | Exhaust purification system of internal combustion engine | Mikio Inoue, Kohei Yoshida, Kazuhiro Umemoto | 2013-12-03 |
| 8572950 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Mikio Inoue | 2013-11-05 |
| 8555621 | Exhaust gas purification apparatus for internal combustion engine | — | 2013-10-15 |
| 8365516 | Exhaust gas purification apparatus for internal combustion engine | Koichiro Fukuda, Mikio Inoue | 2013-02-05 |
| 8336293 | Exhaust gas purification system of an internal combustion engine | — | 2012-12-25 |