Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885581 | Digital-to-analog converter circuit | Mitsutoshi Sugawara | 1989-12-05 |
| 4868571 | Digital to analog converter | — | 1989-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885581 | Digital-to-analog converter circuit | Mitsutoshi Sugawara | 1989-12-05 |
| 4868571 | Digital to analog converter | — | 1989-09-19 |