Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6564769 | Method and system for operating a direct injection spark internal combustion engine having variable compression ratio modes | Ilya Kolmanovsky, Jing Sun | 2003-05-20 |
| 6553949 | Engine knock prevention system and method | Ilya Kolmanovsky, Julia Helen Buckland, Jing Sun | 2003-04-29 |