Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655200 | Failure diagnosis apparatus for exhaust gas recirculation system | Satoru Osaki, Toshio Hori, Takeshi Tsuyuki | 2003-12-02 |
| 6637194 | Exhaust emission control for engine | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-10-28 |
| 6622479 | Engine exhaust purification device | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-09-23 |
| 6619032 | Engine exhaust purification device | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-09-16 |
| 6564544 | Engine exhaust purification arrangement | Masatomo Kakuyama, Shigeaki Kakizaki | 2003-05-20 |
| 6508111 | Failure diagnosis apparatus for exhaust gas recirculation system | Satoru Osaki, Toshio Hori, Takeshi Tsuyuki | 2003-01-21 |