Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881206 | Memory device | — | 1989-11-14 |
| 4864414 | Image signal processing device | Masaaki Nishiyama | 1989-09-05 |
| 4847787 | Dot image character generator employing a font memory | Masaaki Nishiyama | 1989-07-11 |