Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520132 | Valve timing control system of internal combustion engine | — | 2003-02-18 |
| 6502537 | Valve timing control device of internal combustion engine | Masahiko Watanabe | 2003-01-07 |