Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881104 | Image forming apparatus having a plurality of feed openings | Kenzo Nagata | 1989-11-14 |
| 4870459 | Copying machine | Masazumi Ito, Yoshiaki Takano, Takashi Noda | 1989-09-26 |
| 4868605 | Copying apparatus capable of forming various types of images | — | 1989-09-19 |
| 4868606 | Copying apparatus capable of forming various types of images | Hirohisa Miyamoto | 1989-09-19 |
| 4857957 | Image forming apparatus | — | 1989-08-15 |
| 4801972 | Image forming apparatus equipped with a plurality of developing units | Yoshiaki Takano | 1989-01-31 |