Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6513490 | Unthrottled intake air control with partial delay for requested engine response performance | Masahiro Arai, Hatsuo Nagaishi | 2003-02-04 |
| 6513494 | System and method of controlling ignition timing in an engine with a variably operated intake valve | Hatsuo Nagaishi | 2003-02-04 |
| 6502546 | Intake air control system of engine | Masahiro Arai | 2003-01-07 |