Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670995 | Phase-locked loop circuit for horizontal synchronization signal | — | 2003-12-30 |
| 5831849 | Data control system | — | 1998-11-03 |
| 5686862 | FM demodulator integrated on semiconductor chip without discrete circuit components | — | 1997-11-11 |
| 5590203 | Pilot signal detection circuit | — | 1996-12-31 |
| 5537613 | Device and method for detecting pilot signal for two-carrier sound multiplexing system | — | 1996-07-16 |
| 5521651 | Automatic fine tuning detection circuit | — | 1996-05-28 |
| 5378947 | Filter circuit composed of glass delay line with no coil | — | 1995-01-03 |
| 4716589 | Multivoice signal switching circuit | — | 1987-12-29 |