Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9199197 | Exhaust gas purification apparatus for internal combustion engine | Kohei Yoshida, Yasuaki Nakano, Tadashi Watanabe, Kotaro Hayashi | 2015-12-01 |
| 9181842 | Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine | Kazuhiro Umemoto, Hiromasa Nishioka, Yoshihisa Tsukamoto, Junichi Matsuo, Takao Fukuma +3 more | 2015-11-10 |
| 9108153 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Kohei Yoshida, Yoshihisa Tsukamoto, Yuki Bisaiji, Junichi Matsuo | 2015-08-18 |
| 9109492 | Exhaust purification system of internal combustion engine | Kazuhiro Umemoto | 2015-08-18 |
| 9017614 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Kohei Yoshida, Yuki Bisaiji, Junichi Matsuo | 2015-04-28 |
| 8887492 | Exhaust gas purification apparatus of an internal combustion engine | Yuka Nakata, Hiromasa Nishioka, Hiroshi Otsuki, Kohei Yoshida | 2014-11-18 |
| 8745972 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Masahide Iida, Yuichi Sobue | 2014-06-10 |
| 8701393 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Kazuhiro Umemoto, Junichi Matsuo, Hiromasa Nishioka | 2014-04-22 |
| 8640442 | Exhaust purification device of internal combustion engine | Hiromasa Nishioka, Kohei Yoshida, Yuka Nakata | 2014-02-04 |
| 8621852 | Detector for detecting sulfur components | Katsuhiko Oshikawa, Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Otsuki, Junichi Matsuo +1 more | 2014-01-07 |
| 8522534 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Nobumoto Ohashi, Yuichi Sobue, Kazunobu Ishibashi, Nobuyuki Takagi +3 more | 2013-09-03 |
| 8443592 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Daichi Imai, Yuka Nakata, Kazuhiro Umemoto | 2013-05-21 |
| 8434297 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Hiromasa Nishioka, Daichi Imai, Kazuhiro Umemoto | 2013-05-07 |
| 8341941 | Exhaust purification device of internal combustion engine | Shinya Hirota, Kohei Yoshida, Hiromasa Nishioka, Hiroshi Otsuki, Tomihisa Oda +1 more | 2013-01-01 |
| 8307639 | Exhaust purification device of internal combustion engine | Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi, Kohei Yoshida, Hiroshi Otsuki | 2012-11-13 |
| 8297042 | Exhaust purification device of internal combustion engine | Shinya Hirota, Kohei Yoshida, Hiromasa Nishioka, Hiroshi Otsuki | 2012-10-30 |
| 8276369 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi, Kohei Yoshida, Hiroshi Otsuki | 2012-10-02 |
| 8209954 | Exhaust purification device of an internal combustion engine | Kohei Yoshida, Hiromasa Nishioka, Hiroshi Otsuki | 2012-07-03 |
| 8161794 | Sulfur component detecting device | Hiroshi Otsuki, Kohei Yoshida, Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi | 2012-04-24 |
| 8156787 | Device for detection of sulfur concentration in fuel or oil | Kohei Yoshida, Hiromasa Nishioka, Hiroshi Otsuki, Yuka Nakata | 2012-04-17 |
| 8156731 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Shinya Hirota, Hiromasa Nishioka, Hiroshi Otsuki | 2012-04-17 |
| 8136346 | Internal combustion engine | Kohei Yoshida, Shinya Hirota | 2012-03-20 |
| 8132401 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Hiromasa Nishioka | 2012-03-13 |
| 8122706 | Exhaust purification system of internal combustion engine | Kohei Yoshida, Shinya Hirota | 2012-02-28 |
| 8104271 | Exhaust purification device and exhaust purification method of internal combustion engine | Kohei Yoshida, Kotaro Hayashi, Shinya Hirota, Hiromasa Nishioka, Hiroshi Otsuki | 2012-01-31 |