Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7171803 | Exhaust gas purification system of internal combustion engine | Makoto Saito | 2007-02-06 |
| 7162867 | Exhaust gas purifying device for internal combustion engine | Makoto Saito, Kazuharu Tochikawa, Kanehito Nakamura, Tsukasa Kuboshima | 2007-01-16 |
| 7159390 | Exhaust gas cleaner for internal combustion engine with particulate filter having heat-absorbing area | Makoto Saito, Kazuharu Tochikawa, Kojiro Tokuda | 2007-01-09 |
| 7146804 | Exhaust gas cleaning system having particulate filter | Makoto Saito, Tsukasa Kuboshima, Shinichiro Okugawa | 2006-12-12 |
| 7051519 | Exhaust gas cleaning device for internal combustion engine | Tsukasa Kuboshima, Kanehito Nakamura, Makoto Saito, Kazuharu Tochikawa | 2006-05-30 |
| 6969413 | Exhaust gas filtering system having particulate filter for internal combustion engine | Makoto Saito, Tsukasa Kuboshima, Shinichiro Okugawa, Masumi Kinugawa | 2005-11-29 |
| 6966178 | Internal combustion engine exhaust gas purification system | Makoto Saito, Kazuharu Tochikawa | 2005-11-22 |
| 6962046 | Exhaust gas cleaning system having particulate filter | Tsukasa Kuboshima, Shinichiro Okugawa, Makoto Saito | 2005-11-08 |
| 6951100 | Exhaust gas cleaning system of internal combustion engine | Tsukasa Kuboshima, Masumi Kinugawa, Kiyonori Sekiguchi, Makoto Saito | 2005-10-04 |
| 6854265 | Exhaust gas filter regenerating apparatus effectively burning particulate material | Makoto Saito, Masumi Kinugawa | 2005-02-15 |
| 6829889 | Exhaust gas cleaning device for internal combustion engine | Makoto Saito, Tsukasa Kuboshima, Shinichiro Okugawa | 2004-12-14 |
| 6826903 | Exhaust gas recirculation system having cooler | Makoto Saito, Masumi Kinugawa, Kiyonori Sekiguchi, Tsukasa Kuboshima | 2004-12-07 |
| 6758039 | Exhaust gas cleaning system having particulate filter | Tsukasa Kuboshima, Shinichiro Okugawa, Makoto Saito, Masumi Kinugawa | 2004-07-06 |
| 6735941 | Exhaust gas purification system having particulate filter | Makoto Saito, Masumi Kinugawa, Kiyonori Sekiguchi, Tsukasa Kuboshima | 2004-05-18 |
| 6571765 | Control system for engine | Tsukasa Kuboshima, Kiyonori Sekiguchi, Masumi Kinugawa, Makoto Saito | 2003-06-03 |