Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857958 | Electronic copying apparatus having function of partially changing image reproduced from original image | Keiji Itaya | 1989-08-15 |
| 4804995 | Charged latent image developing apparatus | Taiichi Kawaguchi, Makoto Tamura, Hideyuki Shinohara | 1989-02-14 |