Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6561142 | Crank mechanism of reciprocating internal combustion engine of multi-link type | Katsuya Moteki, Shunichi Aoyama, Ryousuke Hiyoshi | 2003-05-13 |
| 6510821 | Internal combustion engine with variable compression ratio mechanism | Katsuya Moteki | 2003-01-28 |
| 6505582 | Variable compression ratio mechanism of reciprocating internal combustion engine | Katsuya Moteki, Shunichi Aoyama | 2003-01-14 |