Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5990676 | Method and apparatus for detection of a moving speed of a mobile terminal in mobile communication | — | 1999-11-23 |
| 5670911 | FET amplifier and bias power supply circuit for commonly amplifying multi-radio frequency (RF) signals | Atsushi Inahashi | 1997-09-23 |
| 5621757 | Circuit for measuring electric field by rapid measurement and normal measurement in a mobile communication system and method of using same | — | 1997-04-15 |
| 5615034 | Optical micro cell transmission system | — | 1997-03-25 |
| 5533057 | High frequency signal detecting circuit | — | 1996-07-02 |
| 5519385 | Circuit for switching signal processing circuits | Hiroshi Akahori | 1996-05-21 |
| 5459426 | Output level control circuit for setting transmission output to desired level | — | 1995-10-17 |
| 5302913 | Power amplifying circuit capable of producing an output signal having a desired waveform | — | 1994-04-12 |
| 5283533 | Amplifier signal level detector for a mobile communication system | — | 1994-02-01 |
| 5152008 | Signal control apparatus capable of readily changing an apparatus output signal | — | 1992-09-29 |
| 5121081 | Output waveform control circuit | — | 1992-06-09 |