Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7475675 | In-cylinder direct fuel-injection engine | Koji Hiraya, Toshiya Kono, Hirofumi Tsuchida | 2009-01-13 |
| 7234437 | Direct-injection internal combustion engine and combustion method therefor | Koji Hiraya, Toshiya Kono | 2007-06-26 |
| 7117666 | Direct fuel injection/spark ignition engine control device | Masayuki Tomita, Tsutomu Kikuchi, Yuichi Iriya, Hitoshi Ishii, Mitsuhiro Akagi +3 more | 2006-10-10 |
| 7080506 | Exhaust gas recirculation system for internal combustion engine | Yuichi Iriya, Shinichi Okamoto | 2006-07-25 |
| 7047945 | Start-up control of in-cylinder fuel injection internal combustion engine | Hitoshi Ishii, Masahiko Yuya, Tsutomu Kikuchi, Yuichi Iriya, Mitsuhiro Akagi +4 more | 2006-05-23 |
| 7024851 | Direct fuel injection/spark ignition engine control device | Mitsuhiro Akagi, Tsutomu Kikuchi, Yuichi Iriya, Hitoshi Ishii, Katsuaki Uchiyama +3 more | 2006-04-11 |
| 6990948 | Direct injection engine system and start-up method for direct injection engine | Tsutomu Kikuchi, Yuichi Iriya, Hitoshi Ishii, Mitsuhiro Akagi, Katsuaki Uchiyama +3 more | 2006-01-31 |
| 6978759 | Start-up control of in-cylinder fuel injection spark ignition internal combustion engine | Yuichi Iriya, Hitoshi Ishii, Tsutomu Kikuchi | 2005-12-27 |
| 6892694 | Start-up control of direct injection engine | Katsuaki Uchiyama, Tsutomu Kikuchi, Yuichi Iriya, Hitoshi Ishii, Mitsuhiro Akagi +3 more | 2005-05-17 |
| 6705275 | Incylinder direct injection spark ignition engine | — | 2004-03-16 |