Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |