Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523340 | Method and apparatus for diagnosing engine exhaust gas purification system | Nobuo Kurihara, Hiroshi Kimura, Toshio Ishii | 2003-02-25 |
| 6520142 | Engine control system for controlling in-cylinder fuel injection engine | Toshiharu Nogi, Takuya Shiraishi, Minoru Ohsuga, Noboru Tokuyasu, Yoko Nakayama | 2003-02-18 |
| 6520168 | Air-fuel ratio controller for engine | Toshio Ishii | 2003-02-18 |
| 6502388 | Engine exhaust gas cleaning system | Toshio Ishii, Shigeru Kawamoto, Shinji Nakagawa, Minoru Oosuga, Yoshihisa Fujii | 2003-01-07 |
| 6502549 | Engine combustion control device | Masatoshi Hoshino, Nobuo Kurihara, Minoru Osuga, Toshiharu Nogi | 2003-01-07 |