Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6802286 | Valve timing control system for an internal combustion engine | Morio Fujiwara, Tatsuhiko Takahashi | 2004-10-12 |
| 6761138 | Valve timing control apparatus for internal combustion engine | Tatsuhiko Takahashi | 2004-07-13 |
| 6758176 | Valve timing control apparatus for internal combustion engine | Tatsuhiko Takahashi | 2004-07-06 |
| 6732689 | Valve timing control apparatus for internal combustion engine | Tatsuhiko Takahashi | 2004-05-11 |
| 6686053 | AL alloy member having excellent corrosion resistance | Jun Hisamoto | 2004-02-03 |