Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866443 | A/D converter having multiplication function | Sumitaka Takeuchi | 1989-09-12 |
| 4799009 | Semiconductor testing device | Tetsuo Tada | 1989-01-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866443 | A/D converter having multiplication function | Sumitaka Takeuchi | 1989-09-12 |
| 4799009 | Semiconductor testing device | Tetsuo Tada | 1989-01-17 |