Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821087 | Encoder circuit eliminating carrier leak | — | 1989-04-11 |
| 4812783 | Phase locked loop circuit with quickly recoverable stability | Akihiro Takeuchi, Atsuo Ochi, Shinichi Aki, Yukio Nakagawa, Masaaki Kobayashi | 1989-03-14 |