Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452936 | Spread-spectrum communication apparatus with adaptive frame configuration | — | 2002-09-17 |
| 6163566 | Spread spectrum transmitter, spread spectrum receiver, and spread spectrum communications system | — | 2000-12-19 |
| 6021161 | Adaptive equalizer for controlling a step size in proportion to an estimated delay of received signals | Norio Yamaguchi | 2000-02-01 |
| 5946607 | Method of apparatus for automatic gain control, and digital receiver using same | Norio Yamaguchi, Toshimichi Naoi | 1999-08-31 |
| 5867531 | Maximum likelihood sequence estimator and maximum likelihood sequence estimating method | Norio Yamaguchi, Toshimichi Naoi | 1999-02-02 |
| 5761211 | Peak correlation timing recovery circuit and receiving apparatus | Norio Yamaguchi, Ryoichi Miyamoto | 1998-06-02 |
| 5751776 | Receiver for a digital communication system | Norio Yamaguchi, Toshimichi Naoi | 1998-05-12 |
| 5680421 | Frame synchronization apparatus | Norio Yamaguchi, Toshimichi Naoi, Ryoichi Miyamoto | 1997-10-21 |
| 5602881 | Receiver for a digital communication system | Norio Yamaguchi, Toshimichi Naoi | 1997-02-11 |
| 5533066 | Apparatus and method for estimating maximum likelihood sequence using optimum sampling phase | Norio Yamaguchi | 1996-07-02 |
| 5479419 | Adaptive maximum likelihood sequence estimator | Toshimichi Naoi, Yasuo Shoji | 1995-12-26 |
| 5303263 | Transmission channel characteristic equalizer | Yasuo Shoji, Norio Yamaguchi, Masami Abe | 1994-04-12 |
| 4961160 | Linear predictive coding analysing apparatus and bandlimiting circuit therefor | Shinichi Sato, Atsushi Fukasawa, Takuro Sato, Yasuo Shoji, Yukio Suzuki +1 more | 1990-10-02 |