Issued Patents All Time
Showing 1–25 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7394848 | Method and apparatus for time equalization | Hiroyasu Murata, Hideo Miyazawa | 2008-07-01 |
| 7286494 | Polling communication system and polling control method | Kyoko Hirao | 2007-10-23 |
| 7286600 | Data transmission method and data transmission device | Hiroyasu Murata | 2007-10-23 |
| 7269215 | Equalization processing method and the apparatus for periodic fluctuation of transmission line characteristic | Ryoji Okita | 2007-09-11 |
| 7251289 | Data transmission method and data transmission apparatus | Kyoko Hirao | 2007-07-31 |
| 7173959 | Noise elimination method and apparatus | — | 2007-02-06 |
| 7130356 | Data transmission method and data transmission apparatus | Kyoko Hirao | 2006-10-31 |
| 7113557 | Noise canceling method and apparatus | Ryoji Okita | 2006-09-26 |
| 7110465 | Noise canceling method and apparatus | Hideo Miyazawa, Takahiro Kurakata, Hiroyasu Murata | 2006-09-19 |
| 7055748 | Barcode reader, method and program for reading barcode, and module-point extracting apparatus | Hideo Miyazawa, Isao Iwaguchi, Kozo Yamazaki, Masanori Ohkawa, Mitsuo Watanabe | 2006-06-06 |
| 7019611 | Modem coupling circuit for power-line carrier | Fumishiro Tsuda, Toshiro Tojo, Toyomi Obikawa, Toshiya Sato, Hideaki Yamauchi +1 more | 2006-03-28 |
| 6985539 | Peak suppression method and data transmission apparatus | Kyoko Hirao | 2006-01-10 |
| 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, Hiroyasu Murata, Kozo Yamazaki, Masanori Ohkawa, Mitsuo Watanabe +1 more | 2005-12-27 |
| 6968497 | Error correction device and error correction method | Ryoji Okita | 2005-11-22 |
| 6898256 | Synchronization method and apparatus | Takahiro Kurakata, Hideo Miyazawa | 2005-05-24 |
| 6882684 | Automatic gain control circuit, data communication device and automatic gain control method | Hideo Miyazawa | 2005-04-19 |
| 6448861 | PLL controller, method of PLL control, and limiter | Noboru Kawada, Takeshi Asahina, Tohru Ogawa, Hideo Miyazawa | 2002-09-10 |
| 6377647 | PLL circuit | Noboru Kawada, Hideo Miyazawa | 2002-04-23 |
| 6298036 | Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal space | Ryoji Okita, Noboru Kawada | 2001-10-02 |
| 6282246 | Frequency modulation method and modem unit employing such method | Ryoji Okita | 2001-08-28 |
| 6282237 | Multiple transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal space | Ryoji Okita, Noboru Kawada | 2001-08-28 |
| 6282235 | Signal processing apparatus | Yasuhide Kihara | 2001-08-28 |
| 6226302 | Multiplex transmission system wherein analog signal is transformed to base band, random-transformed and superimposed on dispersed signal points in vector signal space | Ryoji Okita, Noboru Kawada | 2001-05-01 |
| 6154490 | Signal processing apparatus | Yasuhide Kihara | 2000-11-28 |
| 6104758 | Process and system for transferring vector signal with precoding for signal power reduction | Kyoko Hirao, Hideo Miyazawa | 2000-08-15 |