Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227712 | Disk drive apparatus and method of mounting same | Hitoshi Ogawa, Satoshi Kawamura, Kiyoshi Honda, Kazuhisa Shiraishi, Fukashi Ohi | 2007-06-05 |
| 6915379 | Storage device for processing an access request from a host and storage system including storage devices | Kiyoshi Honda, Atsushi Takayasu | 2005-07-05 |
| 6856482 | Disk drive apparatus and method of mounting same | Hitoshi Ogawa, Satoshi Kawamura, Kiyoshi Honda, Kazuhisa Shiraishi, Fukashi Ohi | 2005-02-15 |
| 6700721 | Magnetic recording and reproducing apparatus and semiconductor integrated circuit for use in the same comprising a read/write signal processor having an interleave write data generator | Shintaro Suzumura, Terumi Takashi, Kazutoshi Ashikawa, Tsuguyoshi Hirooka, Shoichi Miyazawa +1 more | 2004-03-02 |
| 6452736 | Magnetic recording and reproducing apparatus and a read/write amplifier having a signal transmission system with high speed of data write signal | Shintaro Suzumura, Terumi Takashi, Kazutoshi Ashikawa, Tsuguyoshi Hirooka, Shoichi Miyazawa +1 more | 2002-09-17 |
| 6442117 | Reading/reproducing apparatus having retry arrangement upon failed reading/writing of a signal | Takuya Mizokami, Naoto Matsunami, Toshimitsu Kaku | 2002-08-27 |
| 6400523 | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Tsuneo Hirose, Akira Kojima +4 more | 2002-06-04 |
| 6317281 | Disk storage device having identification information for protecting stored data | Hitoshi Ogawa, Motoyasu Tsunoda, Akira Kojima, Yukari Katayama | 2001-11-13 |
| 6236528 | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Tsuneo Hirose, Akira Kojima +4 more | 2001-05-22 |
| 6219909 | Method of mounting disk drive apparatus | Hitoshi Ogawa, Satoshi Kawamura, Kiyoshi Honda, Kazuhisa Shiraishi, Fukashi Ohi | 2001-04-24 |
| 6108158 | Method and apparatus for recording and reproducing disk-type recording medium with dual head including reading head and writing head having offset cores | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Tsuneo Hirose, Akira Kojima +4 more | 2000-08-22 |
| 5953513 | Recording and reproducing device for recording and reproducing information from different kinds of storage media having different sector formats | Takashi Oeda, Shoichi Miyazawa, Kazuo Shigematsu, Yasunori Kaneda | 1999-09-14 |
| 5872666 | Decoder circuitry with PRML signal processing for reproducing apparatus | Kazutosi Ashikawa, Seiichi Mita, Shintaro Suzumura, Shoichi Miyazawa, Tsuguyoshi Hirooka | 1999-02-16 |
| 5867333 | Data recording and reproducing apparatus and phase locked loop circuit for use therein including D/A converters acting as charge pumps and a reference voltage source | Shintaro Suzumura, Kazutoshi Ashikawa, Tsuguyoshi Hirooka, Seiichi Mita | 1999-02-02 |
| 5805024 | Phase lock loop system including a primary phase lock loop apparatus and a high order phase lock loop apparatus | Terumi Takashi, Naoki Satoh, Akihiko Hirano, Masakazu Hosino, Ryushi Shimokawa | 1998-09-08 |
| 5715105 | Method of and apparatus for recording on and reproducing from disk-type recording medium having recording tracks with sectors each having an ID area and a data area | Yukari Katayama, Hitoshi Ogawa, Motoyasu Tsunoda, Tsuneo Hirose, Akira Kojima +4 more | 1998-02-03 |
| 5677802 | Phase locked loop circuit with adjustable offset characteristic, method for adjustment and apparatus | Masashi Mori, Shintaro Suzumura, Shoichi Miyazawa, Terumi Takashi | 1997-10-14 |
| 5467331 | Recording and reproducing apparatus having arrangement for recovery of read-out data error | Takuya Mizokami, Naoto Matsunami | 1995-11-14 |
| 5388087 | Recording and reproducing apparatus including changing a reproduction characteristic when an error has occurred in reproduced data | Takuya Mizokami, Naoto Matsunami | 1995-02-07 |
| 5271615 | Sheet feeding device and method for feeding thin sheets with no buckling | Masataka Kawauchi | 1993-12-21 |
| 5157354 | Phase-locked loop IC having ECL buffers | Shintaro Suzumura, Fukashi Ohi, Akira Uragami, Tsuyoshi Tateyama | 1992-10-20 |
| 5106073 | Sheet feeding device | Masataka Kawauchi | 1992-04-21 |
| 4709911 | Automatic sheet feeding device | Masataka Kawauchi | 1987-12-01 |
| 4577199 | Thermal transfer recording apparatus | Satoshi Kawamura, Masataka Kawauchi | 1986-03-18 |