Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862209 | Image forming apparatus having a removable image forming process kit | Misao Tanzawa | 1989-08-29 |
| 4862212 | Image forming apparatus | Misao Tanzawa, Mitsuru Satoh | 1989-08-29 |