Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10826743 | Wireless communication device and wireless communication method | Yoshihiro Kawasaki, Takayoshi Ode | 2020-11-03 |
| 7555055 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2009-06-30 |
| 7394848 | Method and apparatus for time equalization | Takashi Kaku, Hideo Miyazawa | 2008-07-01 |
| 7386037 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2008-06-10 |
| 7295620 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2007-11-13 |
| 7286600 | Data transmission method and data transmission device | Takashi Kaku | 2007-10-23 |
| 7173984 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2007-02-06 |
| 7126995 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2006-10-24 |
| 7110465 | Noise canceling method and apparatus | Takashi Kaku, Hideo Miyazawa, Takahiro Kurakata | 2006-09-19 |
| 7088783 | Digital subscriber line communicating system determining signal-to-noise ratios | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2006-08-08 |
| 6978937 | METHOD OF READING INFORMATION AND APPARATUS THEREFOR, METHOD OF ACQUIRING SIGNAL FOR USE WITH INFORMATION READING APPARATUS, METHOD OF PROCESSING BAND LIMITATION, METHOD OF EXTRACTING TIMING POINT AMPLITUDE AND METHOD OF PROCESSING SIGNAL THEREOF, READ SIGNAL PROCESSING UNIT, AND METHOD OF PROCESSING READ SIGNAL AND PROCESSING APPARATUS THEREOF | Isao Iwaguchi, Takashi Kaku, Kozo Yamazaki, Masanori Ohkawa, Mitsuo Watanabe +1 more | 2005-12-27 |
| 6965649 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2005-11-15 |
| 6944216 | Digital subscriber line communicating system | Seiji Miyoshi, Yutaka Awata, Nobukazu Koizumi, Takashi Sasaki | 2005-09-13 |
| 6345070 | Modem | — | 2002-02-05 |
| 5974090 | Special eye pattern and modulation and demodulation method using the same | Kyoko Hirao, Takashi Kaku | 1999-10-26 |
| 5629957 | Method and apparatus for simultaneously displaying distribution patterns of equalized output signals from multiple channels | — | 1997-05-13 |
| 5583887 | Transmission signal processing apparatus | Takashi Kaku | 1996-12-10 |
| 5559799 | Modulator and demodulator apparatus as well as modulation and demodulation method | Hideo Miyazawa, Takashi Kaku | 1996-09-24 |
| 5557632 | Demodulation and roll-off filter apparatus | Takashi Kaku | 1996-09-17 |
| 5537437 | Initialization equalization for modulation and demodulation using special training pattern | Takashi Kaku, Noboru Kawada, Kyoko Hirao, Hideo Miyazawa, Yuri Nigaki | 1996-07-16 |
| 5524026 | Method and apparatus for judging timing phase of modem which is used in data communication | — | 1996-06-04 |
| 5448595 | Automatic gain control circuit for a demodulation section of a modem | Takashi Kaku, Tohru Ogawa | 1995-09-05 |
| 5440589 | Frequency offset dealing modulator and demodulator apparatus | Takashi Kaku, Kyoko Hirao | 1995-08-08 |
| 5412695 | Method and device for removing frequency offset | — | 1995-05-02 |