Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6507728 | Radio transceiver and a method of preventing transmission spurious response | Yuji Yajima | 2003-01-14 |
| 5995811 | Radio loop-back test method and system which are reliable even in the presence of outside interference | — | 1999-11-30 |
| 5603099 | Transceiver for preventing the degradation of reception sensitivity and modulation accuracy of a transmitted signal when an external reference signal incorporates noise | — | 1997-02-11 |
| 5551072 | Reception field detection apparatus | — | 1996-08-27 |
| 5406591 | Frequency synthesizer and frequency synthesizing method | — | 1995-04-11 |
| 5400372 | Phase-locked loop having charge pump driven with preserved energy for instant channel switching | Atsushi Inahashi | 1995-03-21 |
| 5319798 | Radio transceiver having PLL synthesizer | — | 1994-06-07 |
| 5260973 | Device operable with an excellent spectrum suppression | — | 1993-11-09 |