Issued Patents All Time
Showing 1–25 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8181613 | Variable valve system for internal combustion engine | Tsuyoshi Arinaga, Toru Fukami, Shinichi Takemura | 2012-05-22 |
| 8151750 | Valve operating device for internal combustion engine | Toru Fukami, Shinichi Takemura, Tsuyoshi Arinaga, Takanobu Sugiyama | 2012-04-10 |
| 8100097 | Multi-link engine | Naoki Takahashi, Masayuki Tomita, Kenshi Ushijima, Koji Hiraya, Hirofumi Tsuchida | 2012-01-24 |
| 8100098 | Multi-link engine | Naoki Takahashi, Masayuki Tomita, Kenshi Ushijima, Koji Hiraya, Hirofumi Tsuchida | 2012-01-24 |
| RE43034 | Intake control apparatus for an engine and method | Shinichi Takemura, Ryosuke Hiyoshi | 2011-12-20 |
| 7980207 | Multi-link engine | Naoki Takahashi, Masayuki Tomita, Kenshi Ushijima, Koji Hiraya, Hirofumi Tsuchida | 2011-07-19 |
| 7669559 | Internal combustion engine | Katsuya Moteki, Kenshi Ushijima, Shinichi Takemura, Hideaki Mizuno | 2010-03-02 |
| 7640901 | Intake control apparatus for an engine and method | Shinichi Takemura, Ryosuke Hiyoshi | 2010-01-05 |
| 7594467 | Internal combustion engine with improved thermal efficiency | Kenshi Ushijima, Katsuya Moteki | 2009-09-29 |
| 7426913 | Intake valve control system and method for internal combustion engine | Tsuyoshi Arinaga, Takanobu Sugiyama, Shin Ishizaki, Ryosuke Hiyoshi, Shinichi Takemura | 2008-09-23 |
| 7363902 | Engine overall height reduction | Kenshi Ushijima, Katsuya Moteki, Naoki Takahashi | 2008-04-29 |
| 7290508 | Lower link for piston crank mechanism of internal combustion engine | Hideaki Mizuno, Kenshi Ushijima, Katsuya Moteki | 2007-11-06 |
| 7228838 | Internal combustion engine | Katsuya Moteki, Shinichi Takemura | 2007-06-12 |
| 7191741 | Pin connected link mechanism | Ryosuke Hiyoshi, Kenshi Ushijima, Yoshiaki Tanaka, Katsuya Moteki, Naoki Takahashi | 2007-03-20 |
| 7165517 | Control apparatus and method for internal combustion engine with variable compression ratio mechanism | Takanobu Sugiyama, Shinichi Takemura, Toru Noda, Ryosuke Hiyoshi | 2007-01-23 |
| 7117838 | Internal combustion engine | Katsuya Moteki, Kenshi Ushijima, Naoki Takahashi | 2006-10-10 |
| 7059280 | Variable compression ratio system for internal combustion engine and method for controlling the system | Tsuneyasu Nohara, Yoshiaki Tanaka, Shinichi Takemura | 2006-06-13 |
| 6990934 | Internal combustion engine having variable compression ratio mechanism and control method therefor | Takanobu Sugiyama, Ryosuke Hiyoshi, Shinichi Takemura | 2006-01-31 |
| 6915766 | Compression ratio controlling apparatus and method for spark-ignited internal combustion engine | Shinichi Takemura, Takanobu Sugiyama, Ryosuke Hiyoshi, Toru Noda | 2005-07-12 |
| 6886532 | Intake system of internal combustion engine | Tsuneyasu Nohara, Shinichi Takemura, Takanobu Sugiyama | 2005-05-03 |
| 6877463 | Link mechanism of reciprocating internal combustion engine | Katsuya Moteki, Kenshi Ushijima, Ryosuke Hiyoshi | 2005-04-12 |
| 6792901 | Control system of internal combustion engine | Takanobu Sugiyama, Shinichi Takemura, Tsuneyasu Nohara | 2004-09-21 |
| 6792924 | Engine control system of internal combustion engine with variable compression ratio mechanism and exhaust-gas recirculation control system | Shinichi Takemura, Takanobu Sugiyama, Ryosuke Hiyoshi | 2004-09-21 |
| 6769404 | Combustion control system for spark-ignition internal combustion engine with variable piston strike characteristic mechanism and variable valve operating mechanism | Katsuya Moteki | 2004-08-03 |
| 6732682 | Control system and method for an internal combustion engine | Katsuya Moteki, Kenshi Ushijima, Ryosuke Hiyoshi | 2004-05-11 |