Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499290 | Engine exhaust purification device | Takeshi Nakamura, Ritsuo Sato, Shigeaki Kakizaki, Masatomo Kakuyama | 2002-12-31 |
| 6494038 | Engine air-fuel ratio controller | Hideaki Kobayashi, Shigeaki Kakizaki, Masatomo Kakuyama | 2002-12-17 |
| 6490859 | Engine exhaust purification device | Masatomo Kakuyama, Shigeaki Kakizaki | 2002-12-10 |
| 6453734 | Diagnosis for EGR system | Saburo Tomikawa, Katsuhiko Kawamura | 2002-09-24 |
| 6446429 | Air-fuel ratio control of engine | Hideaki Kobayashi, Masatomo Kakuyama | 2002-09-10 |
| 6381954 | Air/fuel ratio control system of internal combustion engine | Masatomo Kakuyama, Akira Tayama, Hirofumi Tsuchida | 2002-05-07 |