Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885611 | Multicolor image forming apparatus | Kimihiko Higashio | 1989-12-05 |
| 4860052 | Copying apparatus with use frequency cancellation control | Masazumi Ito, Masaaki Oyabu | 1989-08-22 |
| 4856877 | Display unit | Masazumi Ito | 1989-08-15 |
| 4814824 | Image duplicating apparatus | Masazumi Ito, Kimihiko Higashio | 1989-03-21 |
| 4812877 | Copying apparatus with multiple copy modes | Masazumi Ito, Masaaki Oyabu | 1989-03-14 |
| 4806976 | Copy apparatus with pattern writing capability | Akio Kato, Keiji Nakatani, Kanji Wada, Kaoru Hashimoto, Masahiro Higaki | 1989-02-21 |