Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885704 | Electronic document filing apparatus with icon selection | Minoru Sato, Koji Izawa | 1989-12-05 |
| 4862389 | Information processor with multi-window display function | — | 1989-08-29 |