Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814046 | Direct fuel injection engine | Koji Hiraya, Eiji Takahashi, Hirofumi Tsuchida, Isamu Hotta | 2004-11-09 |
| 6739309 | Direct fuel injection internal combustion engine | Koji Hiraya, Tomonori Urushihara | 2004-05-25 |
| 6718957 | Intelligent control to stabilize auto-ignition combustion without rapid pressure increase | Hiroshi Miyakubo | 2004-04-13 |