Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647324 | Engine air-fuel ratio controller | — | 1997-07-15 |
| 5640847 | Catalyst deterioration diagnosis system for internal combustion engine | Hideki Uema | 1997-06-24 |
| 5634449 | Engine air-fuel ratio controller | Mikio Matsumoto, Hiroshi Iwano | 1997-06-03 |
| 5600948 | Engine air-fuel ratio controller | Kenichi Sato | 1997-02-11 |