Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8834802 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Katsuhiko Oshikawa, Hiroshi Otsuki, Junichi Matsuo, Shigeki Nakayama | 2014-09-16 |
| 8778053 | Method of removing ash from particulate filter | Hiroshi Otsuki, Shigeki Nakayama, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2014-07-15 |
| 8701393 | Exhaust purification system of internal combustion engine | Takamitsu Asanuma, Yoshihisa Tsukamoto, Kazuhiro Umemoto, Junichi Matsuo | 2014-04-22 |
| 8695399 | Detector for detecting sulfur components | Yoshihisa Tsukamoto, Katsuhiko Oshikawa, Hiroshi Otsuki, Junichi Matsuo | 2014-04-15 |
| 8640442 | Exhaust purification device of internal combustion engine | Takamitsu Asanuma, Kohei Yoshida, Yuka Nakata | 2014-02-04 |
| 8621852 | Detector for detecting sulfur components | Katsuhiko Oshikawa, Takamitsu Asanuma, Yoshihisa Tsukamoto, Hiroshi Otsuki, Junichi Matsuo +1 more | 2014-01-07 |
| 8590293 | Exhaust emission purifier of internal combustion engine | Yoshihisa Tsukamoto, Kazuhiro Umemoto, Junichi Matsuo | 2013-11-26 |
| 8555699 | Detector for detecting sulfur components | Hiroshi Otsuki, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo | 2013-10-15 |
| 8465702 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Katsuhiko Oshikawa, Hiroshi Otsuki, Junichi Matsuo | 2013-06-18 |
| 8443592 | Exhaust purification system of internal combustion engine | Takamitsu Asanuma, Daichi Imai, Yuka Nakata, Kazuhiro Umemoto | 2013-05-21 |
| 8434297 | Exhaust purification system of internal combustion engine | Takamitsu Asanuma, Kohei Yoshida, Daichi Imai, Kazuhiro Umemoto | 2013-05-07 |
| 8341941 | Exhaust purification device of internal combustion engine | Takamitsu Asanuma, Shinya Hirota, Kohei Yoshida, Hiroshi Otsuki, Tomihisa Oda +1 more | 2013-01-01 |
| 8307639 | Exhaust purification device of internal combustion engine | Shinya Hirota, Kotaro Hayashi, Takamitsu Asanuma, Kohei Yoshida, Hiroshi Otsuki | 2012-11-13 |
| 8297042 | Exhaust purification device of internal combustion engine | Takamitsu Asanuma, Shinya Hirota, Kohei Yoshida, Hiroshi Otsuki | 2012-10-30 |
| 8276369 | Exhaust purification system of internal combustion engine | Shinya Hirota, Kotaro Hayashi, Takamitsu Asanuma, Kohei Yoshida, Hiroshi Otsuki | 2012-10-02 |
| 8209954 | Exhaust purification device of an internal combustion engine | Kohei Yoshida, Takamitsu Asanuma, Hiroshi Otsuki | 2012-07-03 |
| 8161794 | Sulfur component detecting device | Hiroshi Otsuki, Takamitsu Asanuma, Kohei Yoshida, Shinya Hirota, Kotaro Hayashi | 2012-04-24 |
| 8156787 | Device for detection of sulfur concentration in fuel or oil | Takamitsu Asanuma, Kohei Yoshida, Hiroshi Otsuki, Yuka Nakata | 2012-04-17 |
| 8156731 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Shinya Hirota, Takamitsu Asanuma, Hiroshi Otsuki | 2012-04-17 |
| 8132401 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Takamitsu Asanuma | 2012-03-13 |
| 8104271 | Exhaust purification device and exhaust purification method of internal combustion engine | Kohei Yoshida, Kotaro Hayashi, Shinya Hirota, Takamitsu Asanuma, Hiroshi Otsuki | 2012-01-31 |
| 8104266 | Exhaust purification device of internal combustion engine | Hiroshi Otsuki, Takamitsu Asanuma, Kohei Yoshida, Shinya Hirota, Kotaro Hayashi | 2012-01-31 |
| 8099952 | Exhaust purification device of an internal combustion engine | Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida, Hiroshi Otsuki | 2012-01-24 |
| 8061125 | Exhaust gas purification system and method for internal combustion engine | Kohei Yoshida, Takamitsu Asanuma | 2011-11-22 |
| 8047063 | Exhaust purification device of internal combustion engine | Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida, Kotaro Hayashi, Hiroshi Otsuki | 2011-11-01 |