Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661594 | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Naoki Satoh, Seiichi Mita, Shoichi Miyazawa, Terumi Takashi, Yosuke Hori +8 more | 2003-12-09 |
| 6496316 | Magnetic recording and reproduction apparatus | Yosuke Hori, Naoki Satoh | 2002-12-17 |
| 6175460 | Magnetic recording and reproduction apparatus | Yosuke Hori, Naoki Satoh | 2001-01-16 |
| 6046873 | Magnetic recording and reproducing apparatus including a viterbi detector having a variable reference amplitude value | Yosuke Hori, Naoki Satoh | 2000-04-04 |
| 5848045 | Method for recording and reading an optical disk | Fumiyoshi Kirino, Tsuyoshi Toda, Hiroshi Ide, Hisataka Sugiyama, Atsushi Saito +6 more | 1998-12-08 |
| 5818655 | Signal processing circuit and information recording/reproducing apparatus using the same, and method for optimizing coefficients of equalizer circuit | Naoki Satoh, Seiichi Mita, Shoichi Miyazawa, Terumi Takashi, Yosuke Hori +8 more | 1998-10-06 |
| 5766718 | Longitudinal magnetic recording medium and apparatus | Yoshibumi Matsuda, Masaaki Futamoto, Fumio Kugiya, Yoshinori Miyamura, Takeshi Nakano +3 more | 1998-06-16 |
| 5703855 | Optical disk apparatus and recording and reading method for an optical disk using the same | Fumiyoshi Kirino, Tsuyoshi Toda, Horishi Ide, Hisataka Sugiyama, Atsushi Saito +6 more | 1997-12-30 |
| 5659309 | Data recording/reproducing apparatus having viterbi decoder and method thereof | Terumi Takashi, Seiichi Mita, Akihiko Hirano, Naoki Satoh | 1997-08-19 |
| 5572503 | Correcting non-linear distortions of optical information with a non-linear equalizer | Naoki Satoh, Takeshi Maeda, Atsushi Saito, Hisataka Sugiyama, Hirofumi Sukeda +1 more | 1996-11-05 |
| 5572699 | Variable length data in a parallel disk array | Yoshihisa Kamo, Hajime Aoi, Hitoshi Kakuta, Yoshito Tsunoda, Hiromichi Fujisawa +1 more | 1996-11-05 |
| 5568330 | Recording/reproducing apparatus with maximum likelihood sequence estimation | Hideki Sawaguchi, Naoki Sato, Yosuke Hori | 1996-10-22 |
| 5467232 | Magnetic recording and reproducing method using phase discrimination and apparatus therefor | Naoki Sato, Hideki Sawaguchi, Yosuke Hori | 1995-11-14 |
| 5418660 | Information processing apparatus for processing reproduction signal having nonlinear characteristics | Naoki Sato, Hideki Sawaguchi, Yosuke Hori, Yutaka Okada | 1995-05-23 |
| 5400189 | Magnetic recording and reproducing apparatus, reproduction signal processing apparatus, and reproduction signal processing method | Naoki Sato, Hirotsugu Kojima, Hideki Sawaguchi, Yosuke Hori | 1995-03-21 |
| 5392316 | Decoding method and apparatus with maximum likelihood sequence estimation | Hideki Sawaguchi, Naoki Sato, Yosuke Hori | 1995-02-21 |
| 5325364 | Method for error correction and circuit for realizing same | Hajime Aoi, Yoshihisa Kamo, Yosuke Seo, Hitoshi Kakuta | 1994-06-28 |
| 5287228 | Peak detection method and apparatus therefor | Hideki Sawaguchi, Hajime Aoi | 1994-02-15 |
| 5008761 | Readout circuit in magnetic recording device | Nobumasa Nishiyama, Makoto Saito, Yasuhiro Katoh, Yoshihisa Kamo, Makoto Koizumi +3 more | 1991-04-16 |
| 4907100 | Readout circuit in magnetic recording device | Nobumasa Nishiyama, Makoto Saito, Yasuhiro Katoh, Yoshihasa Kamo, Makoto Koizumi +3 more | 1990-03-06 |
| 4823208 | Multi slice level signal circuit | Hajime Aoi, Nobumasa Nishiyama, Takashi Tamura, Makoto Saitoh, Reijiro Tsuchiya | 1989-04-18 |
| 4774601 | Read channel for magnetic recording | Hajime Aoi, Takashi Tamura, Nobumasa Nishiyama | 1988-09-27 |
| 4651236 | Waveform equalizing circuit | Hajime Aoi, Takashi Tamura, Kazuyoshi Nakabayashi, Takamasa Uchiyama | 1987-03-17 |
| 4644424 | Equalizer used for magnetic storage device | Nobumasa Nishiyama, Hajime Aoi, Takashi Tamura, Makoto Saitou | 1987-02-17 |