Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7426913 | Intake valve control system and method for internal combustion engine | Tsuyoshi Arinaga, Takanobu Sugiyama, Shin Ishizaki, Shinichi Takemura, Shunichi Aoyama | 2008-09-23 |
| 7334547 | Variable expansion-ratio engine | Koji Hiraya, Daisuke Tanaka, Hirofumi Tsuchida | 2008-02-26 |
| 7210450 | Intake control apparatus and method for internal combustion engine | Tsuyoshi Arinaga, Shin Ishizaki, Shinichi Takemura, Takanobu Sugiyama | 2007-05-01 |
| 7191741 | Pin connected link mechanism | Kenshi Ushijima, Yoshiaki Tanaka, Shunichi Aoyama, Katsuya Moteki, Naoki Takahashi | 2007-03-20 |
| 7168402 | Intake valve control apparatus and method for an internal combustion engine | Shinichi Takemura, Takanobu Sugiyama, Shin Ishizaki, Tsuyoshi Arinaga | 2007-01-30 |
| 7165517 | Control apparatus and method for internal combustion engine with variable compression ratio mechanism | Takanobu Sugiyama, Shinichi Takemura, Toru Noda, Shunichi Aoyama | 2007-01-23 |
| 6990934 | Internal combustion engine having variable compression ratio mechanism and control method therefor | Takanobu Sugiyama, Shunichi Aoyama, Shinichi Takemura | 2006-01-31 |
| 6920847 | Reciprocating engine with a variable compression ratio mechanism | Kenshi Ushijima, Yoshiteru Yasuda, Katsuya Moteki | 2005-07-26 |
| 6915766 | Compression ratio controlling apparatus and method for spark-ignited internal combustion engine | Shunichi Aoyama, Shinichi Takemura, Takanobu Sugiyama, Toru Noda | 2005-07-12 |
| 6877463 | Link mechanism of reciprocating internal combustion engine | Katsuya Moteki, Shunichi Aoyama, Kenshi Ushijima | 2005-04-12 |
| 6792924 | Engine control system of internal combustion engine with variable compression ratio mechanism and exhaust-gas recirculation control system | Shunichi Aoyama, Shinichi Takemura, Takanobu Sugiyama | 2004-09-21 |
| 6732682 | Control system and method for an internal combustion engine | Shunichi Aoyama, Katsuya Moteki, Kenshi Ushijima | 2004-05-11 |
| 6691655 | Control system and method for an internal combustion engine | Shunichi Aoyama, Shinichi Takemura, Takanobu Sugiyama | 2004-02-17 |
| 6684828 | Variable compression ratio mechanism for reciprocating internal combustion engine | Kenshi Ushijima, Shunichi Aoyama, Katsuya Moteki, Yoshiaki Tanaka | 2004-02-03 |
| 6647935 | Reciprocating internal combustion engine | Shunichi Aoyama, Katsuya Moteki, Kenshi Ushijima | 2003-11-18 |
| 6622670 | Piston crank mechanism of reciprocating internal combustion engine | Shunichi Aoyama | 2003-09-23 |
| 6615773 | Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type | Katsuya Moteki, Shunichi Aoyama, Kenshi Ushijima | 2003-09-09 |
| 6595186 | Control system and method for an internal combustion engine | Shunichi Aoyama, Kenshi Ushijima, Katsuya Moteki | 2003-07-22 |
| 6546900 | Variable compression ratio mechanism for reciprocating internal combustion engine | Takayuki Arai, Katsuya Moteki | 2003-04-15 |