Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875789 | Ink ribbon cassette with slidable ribbon guide | — | 1989-10-24 |
| 4859101 | Device for cooling a carriage motor and printhead in a serial printer | Akio Tajima | 1989-08-22 |
| 4843195 | Switch having dust-proof cover | Yujiro Shimoyama | 1989-06-27 |
| 4802167 | Data monitor apparatus | Hajime Sawaya, Yoshinobu Fukuda | 1989-01-31 |