Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6998915 | Apparatus for switching matching circuit in mobile communication terminal | — | 2006-02-14 |
| 6559725 | Phase noise reduction system for frequency synthesizer and method thereof | — | 2003-05-06 |
| 6329880 | Radio frequency transmitting circuit | — | 2001-12-11 |
| 6236841 | Transmission output power control circuit for controlling each of antennas to optimal states | — | 2001-05-22 |
| 5998962 | Apparatus for discriminating primary and secondary batteries | — | 1999-12-07 |
| 5847539 | Electrical charging device with function to prevent erroneous electrical charging | — | 1998-12-08 |
| 5752171 | Transmission level control system with selectively fixed or variable amplication control | — | 1998-05-12 |