Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868520 | High-frequency power synthesizing apparatus | Takashige Terakawa, Noriyuki Akaba | 1989-09-19 |
| 4857869 | High frequency push-pull transformer | Takashige Terakawa, Noriyuki Akaba | 1989-08-15 |