Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7234446 | Misfire detector for multi-cylinder engine | — | 2007-06-26 |
| 6830040 | Evaporative fuel control system of internal combustion engine | — | 2004-12-14 |
| 6781098 | Heater controller for an oxygen sensor | — | 2004-08-24 |
| 6397829 | Purge control system of engine | — | 2002-06-04 |
| 6047692 | Abnormality-diagnosing device for evaporation purge system and air-fuel ratio controller for internal combustion engine having the abnormality-diagnosing device incorporated therein | — | 2000-04-11 |
| 5979419 | Apparatus for controlling the air-fuel ratio in an internal combustion engine | — | 1999-11-09 |
| 5934248 | Air-fuel ratio controller for internal combustion engine | — | 1999-08-10 |
| 5808189 | Failure diagnosis controller of pressure sensor | — | 1998-09-15 |
| 5595061 | Catalyst deterioration-detecting device for internal combustion engine | — | 1997-01-21 |
| 5567873 | Misfire-determining controller for internal combustion engine | — | 1996-10-22 |
| 5448886 | Catalyst deterioration-determining device for an internal combustion engine | — | 1995-09-12 |
| 5433185 | Air-fuel ratio control system for use in an internal combustion engine | — | 1995-07-18 |
| 5379587 | Apparatus for judging deterioration of catalyst of internal combustion engine | — | 1995-01-10 |
| 5337557 | Air-fuel ratio control device for internal combustion engine | — | 1994-08-16 |
| 5163316 | Apparatus for detecting flameout of internal combustion engine | Masahiro Hosoi | 1992-11-17 |
| 5040505 | Intaking rate control device of internal combustion engine | — | 1991-08-20 |
| 4976238 | Apparatus for controlling the number of idle rotations of an internal combustion engine | — | 1990-12-11 |