Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10607638 | Magnetic head and magnetic recording and reproducing device | Tazumi Nagasawa | 2020-03-31 |
| 10522172 | Oscillator and calculating device | Tazumi Nagasawa, Hirofumi Suto, Taro KANAO, Koichi Mizushima | 2019-12-31 |
| 10504544 | Magnetic head and magnetic recording and reproducing device | Tazumi Nagasawa | 2019-12-10 |
| 10027334 | Computing apparatus and computing method | Taro KANAO, Tazumi Nagasawa, Hayato Goto, Kiwamu Kudo, Hirofumi Suto +2 more | 2018-07-17 |
| 9984723 | Magnetic recording and reproducing apparatus and magnetic recording and reproducing method | Tazumi Nagasawa, Taro KANAO, Hirofumi Suto, Kiwamu Kudo, Rie Sato +1 more | 2018-05-29 |
| 7916417 | Magnetic disk apparatus and recording method | — | 2011-03-29 |
| 7570448 | Write-once type storage apparatus, control method and record control circuit | — | 2009-08-04 |
| 7525748 | Information recording/reproducing apparatus | — | 2009-04-28 |
| 7408730 | Reproducing head and magnetic disk drive | — | 2008-08-05 |
| 7379257 | Magnetic disk drive | — | 2008-05-27 |
| 7280298 | Thin film magnetic head fit to recordation of higher frequency | Takenori Ohshima | 2007-10-09 |
| 7253979 | Method and device for data read/write, recording medium, and program product | — | 2007-08-07 |
| 6937418 | Magnetic storage device having a head suspension supporting a head slider | Takenori Ohshima | 2005-08-30 |
| 6594095 | Magnetic recording apparatus and integrated circuit for magnetic recording with a shaped waveform | Yuji Uehara | 2003-07-15 |
| 5680264 | Dynamically damped magnetic recording circuit | — | 1997-10-21 |