Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834627 | Intake air amount control apparatus and method of internal combustion engine | Keizo Hiraku, Naohide Fuwa, Takahiro Yamanashi | 2004-12-28 |
| 6779499 | Variable valve timing apparatus | Akihiko Takenaka, Shigeyuki Kusano | 2004-08-24 |
| 6688286 | Knock control apparatus for engine | Naoki Kokubo, Hideki Yukumoto, Hideyuki Maeji | 2004-02-10 |