Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8256207 | Exhaust emission control device for internal combustion engine | Atsushi Takano, Shinichiro Okugawa | 2012-09-04 |
| 8195354 | Diagnostic device for internal combustion engine | Yasuhiro Kariya | 2012-06-05 |
| 8151559 | Exhaust purification device | Shinichiro Okugawa | 2012-04-10 |
| 8137434 | Exhaust gas purification device of internal combustion engine | Shigeto Yahata, Tsutomu Soga | 2012-03-20 |
| 7998261 | Exhaust gas purifying apparatus | Youhei Morimoto, Shigeto Yahata | 2011-08-16 |
| 7841171 | Exhaust emission control device for internal combustion engine | Shigeto Yahata, Satoru Nosaka, Kazuharu Tochikawa | 2010-11-30 |
| 7614219 | Exhaust gas purifying apparatus for internal combustion engine | Yasuhiro Kariya, Shigeto Yahata, Masumi Kinugawa, Kanehito Nakamura | 2009-11-10 |
| 7610749 | Exhaust gas cleaning apparatus having particulate collector for use in automotive vehicle | Yasuhiro Kariya, Masao Sawamura | 2009-11-03 |
| 7574857 | Exhaust emission control system for internal combustion engine | Shigeto Yahata, Kazuharu Tochikawa | 2009-08-18 |
| 7418322 | Exhaust temperature sensor malfunction detection apparatus | Yasuhiro Kariya | 2008-08-26 |
| 7396389 | Abnormality detection apparatus for exhaust gas purification apparatus for internal combustion engine | Yasuhiro Kariya | 2008-07-08 |
| 7325395 | Exhaust gas purification device of internal combustion engine | Shigeto Yahata, Kazuharu Tochikawa | 2008-02-05 |
| 7322186 | Exhaust gas purifying system for internal combustion engine | Kazuharu Tochikawa, Makoto Saito, Shigeto Yahata, Kanehito Nakamura | 2008-01-29 |
| 7310941 | Exhaust gas purification system for internal combustion engine | Shigeto Yahata | 2007-12-25 |
| 7251931 | Accumulating amount estimating device detecting differential pressure of filter | Yoshiharu Nonoyama, Niro Takaki, Takeshi Hashizume | 2007-08-07 |
| 7243491 | Exhaust gas purification system of internal combustion engine | Shinichiro Okugawa, Masumi Kinugawa, Kazuo Kobayashi | 2007-07-17 |
| 7174706 | Exhaust emission control system for internal combustion engine | Masumi Kinugawa | 2007-02-13 |
| 7162867 | Exhaust gas purifying device for internal combustion engine | Makoto Saito, Shigeto Yahata, Kazuharu Tochikawa, Kanehito Nakamura | 2007-01-16 |
| 7152392 | Exhaust gas cleaning system for internal combustion engine | Shinichiro Okugawa, Masumi Kinugawa, Kiyonori Sekiguchi | 2006-12-26 |
| 7146804 | Exhaust gas cleaning system having particulate filter | Shigeto Yahata, Makoto Saito, Shinichiro Okugawa | 2006-12-12 |
| 7076944 | Exhaust gas cleaning system of internal combustion engine | Shinichiro Okugawa | 2006-07-18 |
| 7069907 | Compression ignition internal combustion engine | Satoru Sasaki, Kanehito Nakamura, Masumi Kinugawa, Yasuhiro Kariya, Tokuji Kuronita | 2006-07-04 |
| 7051519 | Exhaust gas cleaning device for internal combustion engine | Kanehito Nakamura, Makoto Saito, Shigeto Yahata, Kazuharu Tochikawa | 2006-05-30 |
| 7048891 | Catalyst deterioration detecting apparatus | Masumi Kinugawa, Kiyonori Sekiguchi | 2006-05-23 |
| 7028467 | Exhaust emission control device for internal combustion engine | Shinichiro Okugawa, Hironobu Baba | 2006-04-18 |