Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682396 | Control unit in storage subsystem with improvement of redundant data updating | Akira Yamamoto, Hiroyuki Kitajima, Kouji Arai | 1997-10-28 |
| 5673412 | Disk system and power-on sequence for the same | Hitoshi Kakuta, Atsushi Tanaka, Yosuke Seo | 1997-09-30 |
| 5574881 | High capacity data storage method and system using independently controlled heads and circuitry for monitoring access frequency of data records | Hiroshi Yasuoka, Yoshito Tsunoda, Takeshi Maeda, Hiromichi Fujisawa, Zenji Tsutsumi +1 more | 1996-11-12 |
| 5572699 | Variable length data in a parallel disk array | Hajime Aoi, Hitoshi Kakuta, Yoshito Tsunoda, Hiromichi Fujisawa, Yosuke Seo +1 more | 1996-11-05 |
| 5495572 | Data reconstruction method and system wherein timing of data reconstruction is controlled in accordance with conditions when a failure occurs | Atsushi Tanaka, Hitoshi Kakuta | 1996-02-27 |
| 5463765 | Disk array system, data writing method thereof, and fault recovering method | Hitoshi Kakuta, Yoshifumi Takamoto | 1995-10-31 |
| 5457703 | Array disk system and control method thereof | Hitoshi Kakuta | 1995-10-10 |
| 5402428 | Array disk subsystem | Hitoshi Kakuta, Hajime Aoi | 1995-03-28 |
| 5325364 | Method for error correction and circuit for realizing same | Yasuhide Ouchi, Hajime Aoi, Yosuke Seo, Hitoshi Kakuta | 1994-06-28 |
| 5181149 | Magnetic recording/reproducing head assembly | Masao Katsumata, Kazuhiro Momata, Kazuyoshi Adachi, Tooru Takeura, Masahiro Kitada +1 more | 1993-01-19 |
| 5084789 | """Parallel transfer type disk system""" | Hitoshi Kakuta | 1992-01-28 |
| 5008761 | Readout circuit in magnetic recording device | Nobumasa Nishiyama, Makoto Saito, Yasuhide Ouchi, Yasuhiro Katoh, Makoto Koizumi +3 more | 1991-04-16 |
| 4821012 | Magnetoresistive element | Kazuhiro Momata | 1989-04-11 |
| 4816948 | Magneto-resistive head | Masahiro Kitada | 1989-03-28 |
| 4814919 | Soft-film-bias type magnetoresitive device | Masahiro Kitada, Hideo Tanabe, Noboru Shimizu, Hitoshi Nakamura, Tooru Takeura | 1989-03-21 |
| 4807074 | Magnetoresistive head for magnetic disk | — | 1989-02-21 |
| 4802043 | Magneto-resistive head for protecting against output spike noises | Naoki Sato, Tooru Takeura, Masao Katsumata, Kazuhiro Momata | 1989-01-31 |
| 4716306 | Circuit for detecting variation of resistance of a variable-resistance element | Naoki Sato, Yasuhiro Katoh, Minoru Kosuge, Shinichi Arai | 1987-12-29 |
| 4663684 | Magnetic transducer using magnetoresistance effect | Naoki Sato, Masahiro Kitada, Tooru Takeura | 1987-05-05 |
| 4600965 | Current driving circuit | Naoki Sato, Yasuhiro Katoh, Kazuhiro Momata, Shinichi Arai | 1986-07-15 |
| 4222081 | Information reading device for a multitrack storage device | Zenji Tsutsumi, Hiroshi Maejima | 1980-09-09 |