Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703285 | Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine | Hirokazu Shimizu | 1997-12-30 |
| 5682856 | Apparatus for controlling an internal combustion engine and method thereof | Naoki Tomisawa | 1997-11-04 |
| 5670713 | Apparatus and method for recognizing misfire occurrence in multi-cylinder internal combustion engine | Klaus Ries-Muller | 1997-09-23 |
| 5652380 | Apparatus and method for detecting output fluctuations of an internal combustion engine, and apparatus and method for controlling the engine | — | 1997-07-29 |
| 5632257 | Diagnosis apparatus and method for an exhaust gas recirculation unit of an internal combustion engine | Hirokazu Shimizu | 1997-05-27 |
| 5617833 | Apparatus and method for diagnosing exhaust recirculation system in internal combustion engine | Naoki Tomisawa | 1997-04-08 |
| 5611319 | Air fuel ratio control system for engine with fuel vapor recovery system | — | 1997-03-18 |
| 5592923 | Diagnosis apparatus and method in an apparatus for treating fuel vapor of an engine | — | 1997-01-14 |