Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5659609 | Echo canceller and waveform-distortion compensation device | Nobukazu Koizumi, Yutaka Awata | 1997-08-19 |
| 5638409 | Data receiving device for reproducing a received symbol from a received data signal | Yutaka Awata, Nobukazu Koizumi, Yasuo Ohtomo | 1997-06-10 |
| 5617450 | Digital subscriber loop interface unit | Yutaka Awata, Nobukazu Koizumi | 1997-04-01 |
| 5615235 | Signal processing system for use in a digital signal clock changing apparatus | Tsuyoshi Ueshima | 1997-03-25 |
| 5610943 | Signal processing apparatus | Tsuyoshi Ueshima | 1997-03-11 |