Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5347974 | Air-to-fuel ratio control system for internal combustion engine | Kazuhide Togai, Katsunori Ueda | 1994-09-20 |
| 5329914 | Control device for internal combustion engine | Kazuhide Togai | 1994-07-19 |
| 5289717 | Air-fuel ratio detecting device | — | 1994-03-01 |
| 5209206 | Air-fuel ratio control system | Yoshiaki Danno, Yoshiaki Kodama | 1993-05-11 |