Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366610 | Air fuel ratio detecting device | Osamu Hirako, Makoto Shimada | 1994-11-22 |
| 5349816 | Exhaust emission control system | Daisuke Sanbayashi, Osamu Hirako, Kazuo Koga | 1994-09-27 |