Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702522 | Method of operating a growing hall containing puller cells | Kazuo Sakauchi, Yoshihiro Hirano | 1997-12-30 |
| 5671720 | Apparatus and method for controlling air-fuel ratio of an internal combustion engine | — | 1997-09-30 |
| 5641354 | Puller cell | Kazuo Sakauchi, Yoshihiro Hirano | 1997-06-24 |
| 5619852 | Air/fuel ratio control system for internal combustion engine | — | 1997-04-15 |
| 5598702 | Method and apparatus for controlling the air-fuel ratio of an internal combustion engine | — | 1997-02-04 |