Issued Patents All Time
Showing 1–25 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8291190 | Disk drive including a host interface supporting different sizes of data sectors and method for writing data thereto | Yoshiju Watanabe, Toshio Kakihara, Koichi Arai, Yuzo Nakagawa | 2012-10-16 |
| 8117518 | Signal processing apparatus and a data recording and reproducing apparatus including local memory processor | Seiichi Mita, Atsushi Saito | 2012-02-14 |
| 8089717 | Data reproducing apparatus for improving data recording efficiency | Kazuhiko Satake | 2012-01-03 |
| 7612960 | Method for formatting data sectors on magnetic disk, and magnetic disk drive | Naoki Satoh, Hitoshi Ogawa, Hiroyuki Tsuchinaga | 2009-11-03 |
| 7558931 | Write/read apparatus to control overwriting | Yoshiteru Ishida, Hitoshi Ogawa, Atsushi Saito | 2009-07-07 |
| 7486460 | Disk drive with enhanced storage capacity increase ratio | Hiroyuki Tsuchinaga, Naoki Satoh | 2009-02-03 |
| 7440221 | Calibration of reader/writer offset in hard disk drive using shingled recording | Hiroyuki Tsuchinaga | 2008-10-21 |
| 7408733 | Magnetic disk drive and magnetic disk medium | Naoki Satoh, Yoshiteru Ishida, Yoshiju Watanabe | 2008-08-05 |
| 7406562 | Information read/write device | Hideki Saga, Motoyasu Tsunoda | 2008-07-29 |
| 7372656 | disk drive with side erase control | Naoki Satoh, Hiroyuki Tsuchinaga | 2008-05-13 |
| 7334165 | Signal processing apparatus and a data recording and reproducing apparatus including local memory processor | Seiichi Mita, Atsushi Saito | 2008-02-19 |
| 7296215 | Signal processing method and signal processing circuit | Morishi Izumita, Hideki Sawaguchi, Seiichi Mita | 2007-11-13 |
| 7268707 | Coding device and decoding device | Yoshiju Watanabe, Morishi Izumita, Yasuyuki Itou | 2007-09-11 |
| 7256953 | Data synchronizing signal detector, signal processing device using the detector, information recording and reproducing apparatus having the detector and the device, data synchronizing signal detecting method, and information recording medium for using in the method | Yoshiju Watanabe | 2007-08-14 |
| 7245236 | Data processing method and circuit for data recording and reproducing and data recording and reproducing apparatus | Morishi Izumita, Yasuyuki Itou, Masaharu Kondou | 2007-07-17 |
| 7028214 | Signal processing apparatus and a data recording and reproducing apparatus including local memory processor | Seiichi Mita, Atsushi Saito | 2006-04-11 |
| 6987635 | Magnetic disk drive which accesses host RAM | Kyo Akagi, Kouki Uefune, Naoki Satoh, Atsushi Saito | 2006-01-17 |
| 6980385 | Apparatus for information recording and reproducing | Takatoshi Kato, Takushi Nishiya, Hideyuki Yamakawa, Takashi Nara, Nobuaki Nakai +2 more | 2005-12-27 |
| RE38661 | Method and apparatus for liquid crystal display with intermediate tone | Tsuguji Tachiuchi, Hiroyuki Mano | 2004-11-30 |
| 6791777 | DATA SYNCHRONIZING SIGNAL DETECTOR, SIGNAL PROCESSING DEVICE USING THE DETECTOR, INFORMATION RECORDING AND REPRODUCING APPARATUS HAVING THE DETECTOR AND THE DEVICE, DATA SYNCHRONIZING SIGNAL DETECTING METHOD, AND INFORMATION RECORDING MEDIUM FOR USING IN THE METHOD | Yoshiju Watanabe | 2004-09-14 |
| 6791776 | Apparatus for information recording and reproducing | Takatoshi Kato, Takushi Nishiya, Hideyuki Yamakawa, Takashi Nara, Nobuaki Nakai +2 more | 2004-09-14 |
| 6731441 | Information recording and reproducing apparatus | Hideaki Maeda, Morishi Izumita, Seiichi Mita | 2004-05-04 |
| 6728052 | Recording/reproducing apparatus, error correcting coding method and information recording method | Masaharu Kondo | 2004-04-27 |
| 6725418 | Decoding circuit using path sequence including feed-back type path sequence storing blocks | Hideki Sawaguchi, Akihiko Hirano, Seiichi Mita | 2004-04-20 |
| 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 | Eisaku Saiki, Shintaro Suzumura, Kazutoshi Ashikawa, Tsuguyoshi Hirooka, Shoichi Miyazawa +1 more | 2004-03-02 |