Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615778 | Apparatus and method for diagnosing variable valve timing apparatus | Haruhiro Iwaki | 2003-09-09 |
| 6574544 | Apparatus and method of valve timing control for internal combustion engine | Hidekazu Yoshizawa, Satoru Watanabe | 2003-06-03 |