Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499290 | Engine exhaust purification device | Takeshi Nakamura, Ritsuo Sato, Shigeaki Kakizaki, Osamu Matsuno | 2002-12-31 |
| 6494038 | Engine air-fuel ratio controller | Hideaki Kobayashi, Shigeaki Kakizaki, Osamu Matsuno | 2002-12-17 |
| 6490859 | Engine exhaust purification device | Osamu Matsuno, Shigeaki Kakizaki | 2002-12-10 |
| 6446429 | Air-fuel ratio control of engine | Hideaki Kobayashi, Osamu Matsuno | 2002-09-10 |
| 6381954 | Air/fuel ratio control system of internal combustion engine | Akira Tayama, Hirofumi Tsuchida, Osamu Matsuno | 2002-05-07 |