Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873665 | Digital magnetic recording/reproducing apparatus | Naoya Kobayashi, Seiichi Mita, Masaharu Kondo, Takashi Moriyasu | 2005-03-29 |
| 6741412 | Data recording/reproducing signal processing circuit for magnetic recording, and perpendicular magnetic recording/reproducing apparatus using it | Yasutaka Nishida, Hisashi Takano, Toru Matsushita | 2004-05-25 |
| 6725418 | Decoding circuit using path sequence including feed-back type path sequence storing blocks | Akihiko Hirano, Seiichi Mita, Terumi Takashi | 2004-04-20 |
| 6668349 | Data recording/readback method and data recording/readback device for the same | — | 2003-12-23 |
| 6657805 | Method of controlling read write operation of a magnetic disk apparatus | Yasutaka Nishida, Takehiko Hamaguchi, Hisashi Takano, Hiroshi Ide, Futoshi Tomiyama | 2003-12-02 |
| 6337889 | Partial response demodulating method and apparatus using the same | Seiichi Mita, Naoya Kobayashi, Masaharu Kondo | 2002-01-08 |
| 6334201 | Decoding circuit and information processing apparatus | Akihiko Hirano, Seiichi Mita, Terumi Takashi | 2001-12-25 |
| 6327112 | Adjacent track position detectable information storage apparatus | Hiroshi Ide, Futoshi Tomiyama, Yasutaka Nishida, Takehiko Hamaguchi, Hisashi Takano +2 more | 2001-12-04 |
| 6320916 | Digital magnetic recording/reproducing apparatus | Naoya Kobayashi, Seiichi Mita, Masaharu Kondo, Takashi Moriyasu | 2001-11-20 |
| 6310741 | Magnetic disk apparatus with data track reassigning function | Yasutaka Nishida, Takehiko Hamaguchi, Hisashi Takano, Hiroshi Ide, Futoshi Tomiyama | 2001-10-30 |
| 5881071 | Digital write-and-read method and signal processing apparatus | Alexander Kuznetsov, Masuo Umemoto, Naoya Kobayashi | 1999-03-09 |
| 5594756 | Decision feedback equalization circuit | Wataru Sakurai, Naoki Satoh, Masuo Umemoto | 1997-01-14 |
| 5568330 | Recording/reproducing apparatus with maximum likelihood sequence estimation | Yasuhide Ouchi, Naoki Sato, Yosuke Hori | 1996-10-22 |
| 5539588 | Magnetic recording/reproducing with added intersymbol interference to obtain a partial-response code | Mikio Suzuki, Hiroko Sukeda | 1996-07-23 |
| 5519398 | Signal processing apparatus having A/D conversion function | Naoki Satoh, Hirotsugu Kojima, Masao Hotta | 1996-05-21 |
| 5467232 | Magnetic recording and reproducing method using phase discrimination and apparatus therefor | Yasuhide Ouchi, Naoki Sato, Yosuke Hori | 1995-11-14 |
| 5418660 | Information processing apparatus for processing reproduction signal having nonlinear characteristics | Naoki Sato, Yasuhide Ouchi, Yosuke Hori, Yutaka Okada | 1995-05-23 |
| 5400189 | Magnetic recording and reproducing apparatus, reproduction signal processing apparatus, and reproduction signal processing method | Naoki Sato, Yasuhide Ouchi, Hirotsugu Kojima, Yosuke Hori | 1995-03-21 |
| 5392316 | Decoding method and apparatus with maximum likelihood sequence estimation | Yasuhide Ouchi, Naoki Sato, Yosuke Hori | 1995-02-21 |
| 5325244 | Magnetic recording data storage system | Hisashi Takano, Kyo Akagi, Mikio Suzuki, Yoshibumi Matsuda, Takeshi Nakao +8 more | 1994-06-28 |
| 5287228 | Peak detection method and apparatus therefor | Yasuhide Ouchi, Hajime Aoi | 1994-02-15 |