Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873525 | Compact R segment D/A converter | — | 1989-10-10 |
| 4845383 | High frequency voltage comparator circuit | — | 1989-07-04 |
| 4827260 | Digital-to-analog converter | Naoki Sugawa | 1989-05-02 |