Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637194 | Exhaust emission control for engine | Shigeaki Kakizaki, Osamu Matsuno | 2003-10-28 |
| 6622479 | Engine exhaust purification device | Shigeaki Kakizaki, Osamu Matsuno | 2003-09-23 |
| 6619032 | Engine exhaust purification device | Shigeaki Kakizaki, Osamu Matsuno | 2003-09-16 |
| 6564544 | Engine exhaust purification arrangement | Shigeaki Kakizaki, Osamu Matsuno | 2003-05-20 |
| 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 |
| 6314724 | Air-fuel ratio controller and method of controlling air-fuel ratio | Akira Tayama, Hirofumi Tsuchida, Shigeaki Kakizaki | 2001-11-13 |
| 6282889 | Air/fuel ration control system of internal combustion engine | Akira Tayama, Hirofumi Tsuchida, Osamu Matsuno | 2001-09-04 |