Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875447 | Method and apparatus for controlling the solenoid current of a solenoid valve which controls the amount of suction of air in an internal combustion engine | Hidetoshi Sakurai | 1989-10-24 |
| 4819596 | Method for control of idle rotations of internal combustion engine | Akimasa Yasuoka, Takahiro Iwata | 1989-04-11 |