Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5444744 | Phase locked loop for synchronizing with carrier wave | Yuji Yamamoto | 1995-08-22 |
| 5399987 | Bi-phase shift keying signal demodulation circuit for RDS receiver | Yuji Yamamoto | 1995-03-21 |
| 5220687 | Radio receiver having switch for switching between a wide filter and a narrow filter | Toshihito Ichikawa, Koichi Kasa | 1993-06-15 |