Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8104266 | Exhaust purification device of internal combustion engine | Hiroshi Otsuki, Kohei Yoshida, Hiromasa Nishioka, Shinya Hirota, Kotaro Hayashi | 2012-01-31 |
| 8099952 | Exhaust purification device of an internal combustion engine | Shinya Hirota, Kohei Yoshida, Hiromasa Nishioka, Hiroshi Otsuki | 2012-01-24 |
| 8074446 | Exhaust gas purification system for internal combustion engine | Shunsuke Toshioka, Morio Narita | 2011-12-13 |
| 8061125 | Exhaust gas purification system and method for internal combustion engine | Kohei Yoshida, Hiromasa Nishioka | 2011-11-22 |
| 8047063 | Exhaust purification device of internal combustion engine | Shinya Hirota, Kohei Yoshida, Hiromasa Nishioka, Kotaro Hayashi, Hiroshi Otsuki | 2011-11-01 |
| 8015800 | Internal combustion engine | Kohei Yoshida, Shinya Hirota | 2011-09-13 |
| 7914748 | Exhaust purification apparatus of internal combustion engine | Kohei Yoshida, Shinya Hirota | 2011-03-29 |
| 7845163 | Device for purifying exhaust gas of an internal combustion engine | Shunsuke Toshioka, Nobumoto Ohashi, Yoshihisa Tsukamoto | 2010-12-07 |
| 7752838 | Device for purifying exhaust gas of an internal combustion engine | Shunsuke Toshioka | 2010-07-13 |
| 7703275 | Exhaust purification device of compression ignition type internal combustion engine | Shinya Hirota, Tomihisa Oda | 2010-04-27 |
| 7685812 | Exhaust purification device and exhaust purification method of internal combustion engine | Kohei Yoshida, Shinya Hirota, Yasuaki Nakano, Shunsuke Toshioka | 2010-03-30 |
| 7509801 | Exhaust gas control apparatus for internal combustion engine | — | 2009-03-31 |
| 7409822 | Exhaust gas control apparatus and exhaust gas control method for internal combustion engine | — | 2008-08-12 |
| 7296401 | Device for purifying the exhaust gas of an internal combustion engine | Toshiaki Tanaka, Shinya Hirota, Kazuhiro Itoh, Koichiro Nakatani, Koichi Kimura +3 more | 2007-11-20 |
| 7146800 | Exhaust purification device and exhaust purification method of internal combustion engine | Shunsuke Toshioka, Shinya Hirota, Yasuaki Nakano, Kohei Yoshida | 2006-12-12 |
| 7134274 | Exhaust gas control apparatus for internal combustion engine | — | 2006-11-14 |
| 7059113 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Kazuhiro Itoh, Koichiro Nakatani, Koichi Kimura | 2006-06-13 |
| 6988360 | Exhaust emission purification device for internal combustion engine | Koichi Kimura, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Shunsuke Toshioka +3 more | 2006-01-24 |
| 6978603 | Exhaust gas control device-equipped internal combustion engine and exhaust gas control method | — | 2005-12-27 |
| 6955041 | Exhaust gas purifying apparatus for internal combustion engine | Shinichi Takeshima, Shinya Hirota, Kazuhiro Itoh, Yasuaki Nakano, Kohei Yoshida | 2005-10-18 |
| 6918463 | Muffler for engine | Masanori Takahashi, Kouji Toyoshima, Takeshi Inoguchi, Shinya Hirota | 2005-07-19 |
| 6901743 | Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine | Toshiaki Tanaka, Shinya Hirota, Takanori Ueda, Tetsuya Yamashita, Yasuaki Nakano | 2005-06-07 |
| 6901750 | Exhaust emission control apparatus and method for internal combustion engine | Shunsuke Toshioka, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Koichi Kimura +4 more | 2005-06-07 |
| 6898930 | Exhaust gas purification device | Koichiro Nakatani, Shinya Hirota, Shunsuke Toshioka, Kazuhiro Itoh, Koichi Kimura +1 more | 2005-05-31 |
| 6883310 | Internal combustion engine emission control apparatus and method | Koichiro Nakatani, Toshiaki Tanaka, Shinya Hirota, Koichi Kimura, Shunsuke Toshioka +1 more | 2005-04-26 |