Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887573 | Ignition timing adjusting apparatus for internal combustion engine | Yasuhiko Fujiwara, Toshiro Abe, Atsunori Hashimoto, Masami Nagano, Takeshi Atago | 1989-12-19 |
| 4875446 | System and method for controlling an engine idling speed for an internal combustion engine | Toshikazu Nemoto | 1989-10-24 |