Issued Patents 2005
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6874315 | Exhaust gas purification device | Koichiro Nakatani, Shinya Hirota, Kazuhiro Itoh, Koichi Kimura, Kiyoshi Nakanishi +1 more | 2005-04-05 |
| 6837043 | Device for purifying the exhaust gas of an internal combustion engine | Koichiro Nakatani, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Koichi Kimura +3 more | 2005-01-04 |