Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855787 | Image duplicating apparatus having plural copying modes and plural sheet feeding arrangements | Hirohisa Miyamoto | 1989-08-08 |
| 4831418 | Exposure control device of copying machine | Kouji Ito | 1989-05-16 |
| 4806976 | Copy apparatus with pattern writing capability | Akio Kato, Keiji Nakatani, Kanji Wada, Kadotaro Nishimori, Masahiro Higaki | 1989-02-21 |