Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |