Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636797 | Enhanced multiple injection for auto-ignition in internal combustion engines | Koudai Yoshizawa, Hiroshi Miyakubo, Koji Hiraya | 2003-10-21 |
| 6612294 | Auto-ignition of gasoline engine by varying exhaust gas retaining duration | Koji Hiraya, Hiroshi Miyakubo | 2003-09-02 |
| 6497213 | Controlled auto-ignition lean burn stratified engine by intelligent injection | Koudai Yoshizawa, Ken Naitoh | 2002-12-24 |
| 6401688 | Auto-ignition combustion management in internal combustion engine | Ken Naitoh, Koudai Yoshizawa, Eiji Aochi | 2002-06-11 |
| 6390057 | Compression self-ignition gasoline engine | Koudai Yoshizawa, Ken Naitoh, Eiji Aochi, Hiroshi Miyakubo | 2002-05-21 |