Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821067 | Microfilm reader-printer having an image fermation device | Norio Imada, Takeshi Sambayashi | 1989-04-11 |
| 4816871 | Charging control apparatus for image carrier | Hiroshi Matsumoto | 1989-03-28 |