Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472688 | Amplifier circuit | Tatsuhiko Okuma, Kazumasa Sakai | 1984-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472688 | Amplifier circuit | Tatsuhiko Okuma, Kazumasa Sakai | 1984-09-18 |