Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888647 | Image recording apparatus with improved SOS detection | — | 1989-12-19 |
| 4872025 | Laser printer capable of changing a pixel density | Makoto Sekiya | 1989-10-03 |
| 4821107 | Multi-functional imaging apparatus | Yoshikazu Naito, Keiji Nakatani | 1989-04-11 |
| 4806976 | Copy apparatus with pattern writing capability | Akio Kato, Keiji Nakatani, Kaoru Hashimoto, Kadotaro Nishimori, Masahiro Higaki | 1989-02-21 |