Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827885 | Engine idling speed control system | Takashi Inoue | 1989-05-09 |
| 4807581 | System for controlling the operation of an internal combustion engine | Kenichirou Hanada, Yukinobu Nishimura, Setsuhiro Shimomura | 1989-02-28 |