Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7133232 | Apparatus for recording and regenerating data | Akihiro Itakura, Akiyoshi Uchida | 2006-11-07 |
| 7130257 | Recording/reproducing apparatus having a substituting part substituting for burst errors and a method of substituting for burst errors | Akihiro Itakura | 2006-10-31 |
| 7076006 | Data reproducing method and device reproducing data according to a Viterbi decoding algorithm using an average value of a reproduction signal | Toru Fujiwara | 2006-07-11 |
| 7058878 | Data processing apparatus using iterative decoding | Toshikazu Kanaoka, Akihiro Itakura | 2006-06-06 |
| 7023769 | Data recording method, data reproduction method, data recording device, data reproduction device and optical recording medium | Kenichi Hamada, Akira Nanba | 2006-04-04 |
| 7002889 | Data reproduction method and apparatus | Toru Fujiwara | 2006-02-21 |
| 6982937 | Data reproducing apparatus | Toshikazu Kanaoka, Akiyoshi Uchida | 2006-01-03 |
| 6982942 | Data recording and/or reproducing apparatus for demodulating data from a reproduction signal | Akiyoshi Uchida | 2006-01-03 |
| 6977879 | Apparatus for adjusting phase of clock signal based on phase error calculated from sampled values of readout signal | Kenichi Hamada, Satoshi Furuta | 2005-12-20 |
| 6914737 | Apparatus for recording and regenerating data | Akihiro Itakura, Akiyoshi Uchida | 2005-07-05 |
| 6891689 | Apparatus for reading data | Akihiro Itakura, Akiyoshi Uchida | 2005-05-10 |
| 6876607 | Data recording method and apparatus for reducing fluctuation in DC component | Satoshi Furuta, Kenichi Hamada, Akira Nanba | 2005-04-05 |
| 6801479 | Method for recording plural rows of record marks in one track in magneto-optical recording device | Akiyoshi Uchida, Michio Matsuura | 2004-10-05 |
| 6775219 | Data reproduction control method and apparatus, and optical disk unit | Toru Fujiwara, Akira Nanba | 2004-08-10 |
| 6771580 | Data reproduction apparatus | Akiyoshi Uchida | 2004-08-03 |
| 6754141 | Recording medium, method for recording and reproducing data using the medium, and magneto-optical recording apparatus | Akiyoshi Uchida, Akihiro Itakura | 2004-06-22 |
| 6724702 | Apparatus for reproducing recorded data | Akiyoshi Uchida, Toshikazu Kanaoka | 2004-04-20 |
| 6721256 | Phase detection using sampled data | Katsuhiko Fukuda, Kenichi Hamada | 2004-04-13 |
| 6714504 | Data reproduction control method and apparatus, and optical disk unit | Toru Fujiwara, Akira Nanba | 2004-03-30 |
| 6680684 | Data reproduction device with simplified circuit structure | Akira Nanba, Kenichi Hamada | 2004-01-20 |
| 6667841 | Apparatus for recording and regenerating data | Akihiro Itakura, Akiyoshi Uchida | 2003-12-23 |
| 6618338 | Data reproduction control method and apparatus, and optical disk unit | Toru Fujiwara, Akira Nanba | 2003-09-09 |
| 6603419 | Data reproduction device with simplified circuit structure | Akira Nanba, Kenichi Hamada | 2003-08-05 |
| 6603722 | System for reproducing data with increased accuracy by reducing difference between sampled and expected values | Satoshi Furuta, Toru Fujiwara | 2003-08-05 |
| 6600698 | Method for recording a plural rows of record marks in one track in magneto-optical recording device | Akiyoshi Uchida, Michio Matsuura | 2003-07-29 |