Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7769122 | Timing recovery circuit | Masashi Sato | 2010-08-03 |
| 7649482 | Signal modulation method, signal modulation apparatus, electronic device, and computer program product | Kazuhiko Hatae, Yasuo Ohtomo, Masashi Sato | 2010-01-19 |
| 7555055 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2009-06-30 |
| 7423984 | Digital subscriber line transmission method, apparatus and system | Kazutomo Hasegawa, Hidetake Asahina, Seiji Miyoshi, Nobukazu Koizumi | 2008-09-09 |
| 7386037 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2008-06-10 |
| 7336627 | Digital subscriber line transmission method, apparatus and system | Kazutomo Hasegawa, Hidetake Asahina, Seiji Miyoshi, Nobukazu Koizumi | 2008-02-26 |
| 7295620 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2007-11-13 |
| 7286495 | Digital subscriber line transmission method, apparatus and system | Kazutomo Hasegawa, Hidetake Asahina, Seiji Miyoshi, Nobukazu Koizumi | 2007-10-23 |
| 7173984 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2007-02-06 |
| 7167509 | Digital subscriber line communicating system and a transceiver in the system | Kazutomo Hasegawa, Seiji Miyoshi, Takashi Sasaki, Nobukazu Koizumi | 2007-01-23 |
| 7126995 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2006-10-24 |
| 7088783 | Digital subscriber line communicating system determining signal-to-noise ratios | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2006-08-08 |
| 7072386 | Digital subscriber line communicating system and a transceiver in the system | Kazutomo Hasegawa, Seiji Miyoshi, Takashi Sasaki, Nobukazu Koizumi | 2006-07-04 |
| 6965649 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2005-11-15 |
| 6944216 | Digital subscriber line communicating system | Seiji Miyoshi, Hiroyasu Murata, Nobukazu Koizumi, Takashi Sasaki | 2005-09-13 |
| 6289045 | Training method in a time domain equalizer and a digital data transmission apparatus including an improved training apparatus | Kazutomo Hasegawa, Seiji Miyoshi | 2001-09-11 |
| 6263015 | Analog/digital integrated subscriber circuit | Seiji Miyoshi, Minoru Hirahara, Takuo Gotoda, Hiroaki Itokawa | 2001-07-17 |
| 5841809 | Access line termination unit | Nobukazu Koizumi | 1998-11-24 |
| 5659609 | Echo canceller and waveform-distortion compensation device | Nobukazu Koizumi, Mitsuo Kakuishi | 1997-08-19 |
| 5638409 | Data receiving device for reproducing a received symbol from a received data signal | Nobukazu Koizumi, Yasuo Ohtomo, Mitsuo Kakuishi | 1997-06-10 |
| 5617450 | Digital subscriber loop interface unit | Mitsuo Kakuishi, Nobukazu Koizumi | 1997-04-01 |
| 5481564 | Received data adjusting device | Mitsuo Kakuishi, Norio Ueno, Seiji Miyoshi, Norio Murakami, Atsushi Manabe | 1996-01-02 |
| 5471507 | Circuit for detecting object signal from input signal | Mitsuo Kakuishi | 1995-11-28 |
| 5450452 | Digital loop filter and digital PLL circuit using the same | Mitsuo Kakuishi | 1995-09-12 |
| 5399985 | Digital PLL circuit | Nobukazu Koizumi, Yasuo Ohtomo, Mitsuo Kakuishi | 1995-03-21 |