Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868610 | Copying apparatus with subjectively stored magnification values | Masazumi Ito, Kenji Shibazaki | 1989-09-19 |
| 4864364 | Charge eraser for an electrophotographic copier | Shigeo Ogino, Keiji Nakatani | 1989-09-05 |
| 4827310 | Copying magnification setting device for an electrophotographic copying apparatus | Kenji Shibazaki, Yutaka Irie, Masazumi Ito | 1989-05-02 |