Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9080480 | Exhaust purification system for internal combustion engine | Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-07-14 |
| 9057299 | Exhaust purification system for internal combustion engine | Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-06-16 |
| 9057298 | Exhaust purification system for internal combustion engine | Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-06-16 |
| 9011569 | Particulate filter | Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2015-04-21 |
| 8955313 | Exhaust purification system of internal combustion engine | Junichi Matsuo, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Shigeki Nakayama | 2015-02-17 |
| 8887492 | Exhaust gas purification apparatus of an internal combustion engine | Yuka Nakata, Hiromasa Nishioka, Kohei Yoshida, Takamitsu Asanuma | 2014-11-18 |
| 8834802 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Katsuhiko Oshikawa, Junichi Matsuo, Shigeki Nakayama | 2014-09-16 |
| 8778053 | Method of removing ash from particulate filter | Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo +3 more | 2014-07-15 |
| 8695399 | Detector for detecting sulfur components | Hiromasa Nishioka, Yoshihisa Tsukamoto, Katsuhiko Oshikawa, Junichi Matsuo | 2014-04-15 |
| 8650863 | Exhaust gas purification system for an internal combustion engine | Yuichi Sobue, Kohei Yoshida, Masahide Iida, Itsuya Kurisaka, Ko Sugawara | 2014-02-18 |
| 8621852 | Detector for detecting sulfur components | Katsuhiko Oshikawa, Takamitsu Asanuma, Hiromasa Nishioka, Yoshihisa Tsukamoto, Junichi Matsuo +1 more | 2014-01-07 |
| 8555699 | Detector for detecting sulfur components | Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Junichi Matsuo | 2013-10-15 |
| 8465702 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Katsuhiko Oshikawa, Junichi Matsuo | 2013-06-18 |
| 8341941 | Exhaust purification device of internal combustion engine | Takamitsu Asanuma, Shinya Hirota, Kohei Yoshida, Hiromasa Nishioka, Tomihisa Oda +1 more | 2013-01-01 |
| 8307639 | Exhaust purification device of internal combustion engine | Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi, Takamitsu Asanuma, Kohei Yoshida | 2012-11-13 |
| 8297042 | Exhaust purification device of internal combustion engine | Takamitsu Asanuma, Shinya Hirota, Kohei Yoshida, Hiromasa Nishioka | 2012-10-30 |
| 8276369 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi, Takamitsu Asanuma, Kohei Yoshida | 2012-10-02 |
| 8209954 | Exhaust purification device of an internal combustion engine | Kohei Yoshida, Takamitsu Asanuma, Hiromasa Nishioka | 2012-07-03 |
| 8161794 | Sulfur component detecting device | Takamitsu Asanuma, Kohei Yoshida, Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi | 2012-04-24 |
| 8156787 | Device for detection of sulfur concentration in fuel or oil | Takamitsu Asanuma, Kohei Yoshida, Hiromasa Nishioka, Yuka Nakata | 2012-04-17 |
| 8156731 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Shinya Hirota, Takamitsu Asanuma, Hiromasa Nishioka | 2012-04-17 |
| 8104271 | Exhaust purification device and exhaust purification method of internal combustion engine | Kohei Yoshida, Kotaro Hayashi, Shinya Hirota, Takamitsu Asanuma, Hiromasa Nishioka | 2012-01-31 |
| 8104266 | Exhaust purification device of internal combustion engine | Takamitsu Asanuma, Kohei Yoshida, Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi | 2012-01-31 |
| 8099952 | Exhaust purification device of an internal combustion engine | Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida, Hiromasa Nishioka | 2012-01-24 |
| 8047063 | Exhaust purification device of internal combustion engine | Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida, Hiromasa Nishioka, Kotaro Hayashi | 2011-11-01 |