Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8424081 | Disk unit, magnetic disk unit and information storage unit | — | 2013-04-16 |
| 8291190 | Disk drive including a host interface supporting different sizes of data sectors and method for writing data thereto | Toshio Kakihara, Koichi Arai, Terumi Takashi, Yuzo Nakagawa | 2012-10-16 |
| 8239691 | Data storage device and management method of cryptographic key thereof | Toshio Kakihara | 2012-08-07 |
| 8065516 | Hard disk drive with certification function | Tatsuya Hirai | 2011-11-22 |
| 7408733 | Magnetic disk drive and magnetic disk medium | Naoki Satoh, Yoshiteru Ishida, Terumi Takashi | 2008-08-05 |
| 7268707 | Coding device and decoding device | Terumi Takashi, 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 | Terumi Takashi | 2007-08-14 |
| 7199955 | Decoding apparatus and decoding method | Akihiko Hirano, Seiichi Mita | 2007-04-03 |
| 7184505 | Data synchronizing signal detecting device | — | 2007-02-27 |
| 7099250 | Information recording and reproducing method and information recording and reproducing device | — | 2006-08-29 |
| 7039141 | Data synchronization detection device, information recording device, information reproduction device, information recording format, signal processing device, information recording and reproducing device, and information recording medium | Yasuyuki Ito | 2006-05-02 |
| 7020833 | Data synchronization detection method, information recording method, and information reproduction method | Yasuyuki Ito | 2006-03-28 |
| 6976196 | Error detecting method and device, information storing and reproducing device and magnetic disk drive | — | 2005-12-13 |
| 6972917 | Signal processing technique for preventing delay in read time from retry operations | Hideaki Maeda, Naoki Satoh, Yasuyuki Ito | 2005-12-06 |
| 6856660 | Signal processing method and apparatus and disk device using the method and apparatus | Masaharu Kondo | 2005-02-15 |
| 6829206 | Information recording and reproducing method and information recording and reproducing device | — | 2004-12-07 |
| 6823030 | Data synchronizing signal detecting device | — | 2004-11-23 |
| 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 | Terumi Takashi | 2004-09-14 |
| 6704154 | Decoding apparatus and decoding method | Akihiko Hirano, Seiichi Mita | 2004-03-09 |
| 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 |
| 6473477 | Data synchronizing signal detecting device | — | 2002-10-29 |
| 6373407 | Data encoding method for digital data recording and data recording system using the same | Takushi Nishiya, Tatsuya Hirai, Seiichi Mita, Takashi Nara, Yoichi Uehara +2 more | 2002-04-16 |
| 6335841 | Coding apparatus and coding method | Akihiko Hirano, Seiichi Mita | 2002-01-01 |
| 6304402 | Equalizer and magnetically recorded-signal reproducer | Yasutaka Nishida, Seiichi Mita, Naoki Satoh | 2001-10-16 |
| 6259753 | Data synchronizing signal detecting device | — | 2001-07-10 |