Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971428 | Exhaust gas purification device for internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kojiro Okada, Kei Shigahara, Michihiro Hata +3 more | 2011-07-05 |
| 7730721 | Exhaust gas purification device of internal combustion engine | Hiroyuki Kimura, Mitsutaka Kojima, Kojiro Okada, Kei Shigahara, Michihiro Hata +3 more | 2010-06-08 |
| 7127883 | Exhaust gas purifying apparatus of internal combustion engine | Katsunori Kaneko, Hiromitsu Ando | 2006-10-31 |
| 6825145 | Exhaust gas purifying catalyst | Hiroshi Tanada, Osamu Nakayama, Keisuke Tashiro, Kinichi Iwachido, Tetsuya Watanabe | 2004-11-30 |
| 6711892 | Exhaust gas purifier for internal combustion engines | Yasuki Tamura, Kojiro Okada, Tomohiro Ohashi, Naoto Yamada | 2004-03-30 |
| 6588205 | Exhaust gas purifying apparatus | Shiro Kumagai | 2003-07-08 |
| 6558636 | Plasma type exhaust gas cleaning apparatus | Yasuki Tamura, Kojiro Okada, Osamu Nakayama, Keisuke Kawamura, Kiyoshi Kawamura | 2003-05-06 |
| 6558637 | Exhaust emission purifier | Yasuki Tamura, Kojiro Okada, Osamu Nakayama, Keisuke Kawamura, Kiyoshi Kawamura +1 more | 2003-05-06 |
| 6532733 | Plasma exhaust gas treatment device | Yasuki Tamura, Osamu Nakayama | 2003-03-18 |
| 6173571 | Exhaust purifying apparatus for an in-cylinder injection type internal combustion engine | Katsunori Kaneko, Hiromitsu Ando, Taizo Kitada | 2001-01-16 |
| 6041591 | Exhaust gas heating system for in-cylinder injection internal combustion engine | Katsunori Kaneko, Taizo Kitada, Hiromitsu Ando | 2000-03-28 |
| 5738832 | Exhaust gas purifying apparatus | Takashi Dogahara, Yoshiaki Danno, Daisuke Sanbayashi, Kozo Iida, Satoru Serizawa +1 more | 1998-04-14 |
| 5657625 | Apparatus and method for internal combustion engine control | Kojiro Okada, Yoshiaki Danno, Kazuhide Togai, Osamu Hirako, Shogo Ohmori +2 more | 1997-08-19 |
| 5595060 | Apparatus and method for internal-combustion engine control | Kazuhide Togai | 1997-01-21 |
| 5398503 | Engine exhaust emission control system | Yoshiaki Danno, Takashi Dougahara | 1995-03-21 |
| 5349816 | Exhaust emission control system | Daisuke Sanbayashi, Osamu Hirako, Yoshiaki Danno | 1994-09-27 |
| 5056308 | System for feedback-controlling the air-fuel ratio of an air-fuel mixture to be supplied to an internal combustion engine | Tateo Kume, Michiyasu Yoshida, Yoshiaki Kodama | 1991-10-15 |
| 4835964 | Diesel particulate oxidizer regeneration system | Satoru Kume, Michiyasu Yoshida, Tateo Kume, Hiroki Oshima, Mitsuhiro Kawagoe | 1989-06-06 |
| 4719751 | Diesel particulate oxidizer regeneration system | Satoru Kume, Michiyasu Yoshida, Tateo Kume, Hiroki Oshima, Mitsuhiro Kawagoe | 1988-01-19 |