Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10337376 | Exhaust gas purification system for an internal combustion engine | Akira Mikami, Shigeki Nakayama, Keishi Takada, Junichi Matsuo | 2019-07-02 |
| 10125647 | Exhaust gas purification apparatus for an internal combustion engine | Akira Mikami, Shigeki Nakayama, Keishi Takada, Junichi Matsuo | 2018-11-13 |
| 9822683 | Exhaust gas purification system for internal combustion engine | Yoshihisa Tsukamoto, Shigeki Nakayama, Akira Mikami, Kenji Sakurai, Hiroshi Otsuki +3 more | 2017-11-21 |
| 9662612 | Exhaust gas purification apparatus for internal combustion engine | Akira Mikami, Shigeki Nakayama, Keishi Takada, Kenji Sakurai, Yoshihisa Tsukamoto +3 more | 2017-05-30 |
| 9611811 | Control device for cooling system | Taro Aoyama, Naoya Okamoto, Yoshio Yamashita, Yuki Haba, Hajime Takagawa +5 more | 2017-04-04 |
| 9551261 | Urea water supply system | Junichi Matsuo, Akira Mikami, Keishi Takada, Shigeki Nakayama | 2017-01-24 |
| 9512769 | Urea water supply system | Junichi Matsuo, Akira Mikami, Keishi Takada, Shigeki Nakayama | 2016-12-06 |
| 9482133 | Exhaust emission control system of internal combustion engine | Keishi Takada, Shigeki Nakayama, Akira Mikami, Kenji Sakurai, Junichi Matsuo +3 more | 2016-11-01 |
| 9464554 | Exhaust gas purification system for internal combustion engine | Junichi Matsuo, Shigeki Nakayama, Kenji Sakurai, Akira Mikami, Keishi Takada +3 more | 2016-10-11 |
| 8522534 | Exhaust purification device of internal combustion engine | Kohei Yoshida, Takamitsu Asanuma, Yuichi Sobue, Kazunobu Ishibashi, Nobuyuki Takagi +3 more | 2013-09-03 |
| 8402753 | Exhaust gas purification system for an internal combustion engine | — | 2013-03-26 |
| 8375706 | Exhaust gas purification system of an internal combustion engine | Masahide Iida, Atsushi Hayashi | 2013-02-19 |
| 8307638 | Exhaust gas purification system for internal combustion engine | Atsushi Hayashi, Masahide Iida, Kotaro Hayashi | 2012-11-13 |
| 8266899 | Exhaust purification apparatus for internal combustion engine | Bungo Kawaguchi, Shinji Kamoshita, Tomihisa Oda, Satoshi Kobayakawa | 2012-09-18 |
| 8250856 | Exhaust purification device of internal combustion engine | — | 2012-08-28 |
| 7845163 | Device for purifying exhaust gas of an internal combustion engine | Shunsuke Toshioka, Takamitsu Asanuma, Yoshihisa Tsukamoto | 2010-12-07 |
| 6426316 | Exhaust emission control catalyst for diesel engines | Toshiaki Tanaka, Yoshio Fujimoto, Shinichi Takeshima, Kazuhiro Ito | 2002-07-30 |
| 6381952 | Exhaust temperature raising apparatus and method for internal combustion engine | Takamitsu Asanuma, Shinya Hirota, Shunsuke Toshioka | 2002-05-07 |
| 6233927 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Kazuhiro Itoh, Eiji Iwasaki, Kouji Yoshizaki | 2001-05-22 |
| 6192675 | Exhaust gas purification device for an internal combustion engine | Shinya Hirota, Toshiaki Tanaka, Kouji Yoshizaki, Eiji Iwasaki, Kazuhiro Itoh | 2001-02-27 |
| 6101999 | Compression ignition type engine | Toshiaki Tanaka, Eiji Iwasaki, Shinya Hirota, Kouji Yoshizaki, Kazuhiro Itoh | 2000-08-15 |
| 6058700 | Device for purifying exhaust gas of engine | Tetsuya Yamashita, Toshiaki Tanaka, Shinichi Takeshima, Shinya Hirota, Eiji Iwasaki +2 more | 2000-05-09 |