Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855686 | Differential amplifier circuit | Toshio Kanai | 1989-08-08 |
| 4814643 | Comparison circuit | Masahide Aoyama | 1989-03-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855686 | Differential amplifier circuit | Toshio Kanai | 1989-08-08 |
| 4814643 | Comparison circuit | Masahide Aoyama | 1989-03-21 |