Issued Patents All Time
Showing 26–50 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8773818 | Magnetic recording head configured to reduce the degradation of recorded signals and disk device including the same | Takuya Matsumoto | 2014-07-08 |
| 8730616 | Magnetic recording head, head gimbal assembly with the same, and disk drive | Kenichiro Yamada, Yusuke Tomoda, Katsuhiko Koui | 2014-05-20 |
| 8724435 | Magnetic disk having reflecting layer in recording layer, magnetic disk device, and thermally assisted magnetic recording method | Hiroshi Isokawa | 2014-05-13 |
| 8705204 | Recording head with high-frequency oscillator and bi-layer main pole height/width arrangement | Kenichiro Yamada, Katsuhiko Koui, Tomomi Funayama, Norihito Fujita | 2014-04-22 |
| 8687322 | Magnetic recording head and disk drive including the same | Takuya Matsumoto, Kenichiro Yamada, Naoyuki Narita | 2014-04-01 |
| 8675308 | Magnetic recording head with high frequency oscillator and disk drive with the same | Kenichiro Yamada, Takuya Matsumoto, Naoyuki Narita, Katsuhiko Koui, Akihiko Takeo | 2014-03-18 |
| 8605386 | Magnetic recording head, head gimbal assembly with the same, and disk drive | Masaya Ohtake | 2013-12-10 |
| 8593916 | Thermally-assisted magnetic recording head having heat conducting unit and heat absorbing unit and magnetic recording and reproducing device having the same | Toshiyuki Ikai, Hiroshi Isokawa, Masaya Ohtake | 2013-11-26 |
| 8588037 | Magnetic disk device, magnetic disk evaluation apparatus, and magnetic head | Yuuichi Yamada, Yoshinobu Fuchizaki | 2013-11-19 |
| 8508885 | Magnetic head comprising pole including nonmagnetic layer and disk drive with the same | Takuya Matsumoto, Masayuki Takagishi | 2013-08-13 |
| 8498081 | Perpendicular magnetic recording medium including soft-magnetic-particles-mixed protective layer on top of recording layer and magnetic disk device having the same | Hiroyuki Hyodo | 2013-07-30 |
| 8363346 | Magnetic head and disk drive with same | — | 2013-01-29 |
| 8315015 | Perpendicular magnetic recording head provided with side shield and magnetic disk apparatus using the same | Tomomi Funayama, Yuka Aoyagi, Katsuhiko Koui | 2012-11-20 |
| 8284518 | Magnetic recording head | Hiromi Yuasa, Hideaki Fukuzawa | 2012-10-09 |
| 8274757 | Recording head and disk drive with the same | Takuya Matsumoto, Masaya Ohtake | 2012-09-25 |
| 8228627 | Magnetic disk drive | Gaku Koizumi | 2012-07-24 |
| 8203804 | Head gimbal assembly and disk drive with the same | Yuichi Yamada, Akihiko Takeo | 2012-06-19 |
| 8199429 | Magnetic recording head and magnetic recording method | Hiromi Yuasa, Hideaki Fukuzawa | 2012-06-12 |
| 8169741 | Perpendicular magnetic recording head with side shield and magnetic disk apparatus | Tomomi Funayama, Yuka Aoyagi, Katsuhiko Koui | 2012-05-01 |
| 8159781 | Magnetic head for perpendicular recording and disk drive with the same | Gaku Koizumi | 2012-04-17 |
| 8149538 | Magnetic head for perpendicular recording and disk drive with the same | Yoshinobu Fuchizaki | 2012-04-03 |
| 8064162 | Magnetic head and disk drive provided with the same | Takuya Matsumoto | 2011-11-22 |
| 7830567 | Color conversion device, color conversion method and color conversion program | Ryosuku Higashikata, Akihiro Ito, Yasunari Kishimoto | 2010-11-09 |
| 7394620 | Perpendicular magnetic recording head and magnetic disc apparatus | — | 2008-07-01 |
| 7239472 | Method and apparatus for writing data in a disk drive | Hideo Sado, Masahide Yatsu | 2007-07-03 |