Issued Patents All Time
Showing 25 most recent of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9672846 | STO bias control for MAMR head reliability | Hideaki Tanaka, Katsuro Watanabe, Shigeru Tadokoro, Wataru Kimura | 2017-06-06 |
| 9330687 | Microwave-assisted recording head with stable oscillation | Katsuro Watanabe | 2016-05-03 |
| 9230566 | Perpendicular magnetic write head having a controlled magnetization state shield | Tadayuki Iwakura, Wataru Kimura, Shigeru Tadokoro | 2016-01-05 |
| 9230573 | Magnetic recording head with non-magnetic bump structure formed on spin torque oscillator | Kimitoshi Etoh, Kenji Sugiura, Mikito Sugiyama, Kazuhiko Hosomi, Katsuro Watanabe | 2016-01-05 |
| 9142227 | Microwave assisted magnetic recording (MAMR) write head and system | Kimitoshi Etoh, Masahiko Hatatani, Kazuhiko Hosomi, Kenji Sugiura, Mikito Sugiyama | 2015-09-22 |
| 9099127 | Dual magnetic sensor for multi-input magnetic recording | Taku Shintani, Kouichi Nishioka, Masafumi Mochizuki | 2015-08-04 |
| 9076462 | Magnetic head having a short yoke with a tapered coil structure | Kimitoshi Etoh, Kazuhiko Hosomi, Mikito Sugiyama | 2015-07-07 |
| 8786986 | Head-slider including thin-film magnetic-recording head having reduced thermal protrusion | Shigeo Fujita, Masahiko Soga, Hideaki Tanaka, Yuji Ueda, Tomohiro Okada +2 more | 2014-07-22 |
| 8570683 | Low permeability material for a side shield in a perpendicular magnetic head | Yusuke Takahashi, Hiromi Shiina, Kazue Kudo, Kaori Suzuki | 2013-10-29 |
| 8542462 | Perpendicular magnetic recording head having a non-magnetic film recessed from the air bearing surface for improved high-density magnetic recording | Tadayuki Iwakura, Tetsuya Okai, Hiromi Shiina, Kazue Kudo | 2013-09-24 |
| 8537493 | Magnetic head for perpendicular recording | Kazue Kudo, Hiromi Shiina, Shouji Tokutake, Tetsuya Okai | 2013-09-17 |
| 8477455 | Noise and particle shield for contact sensor in a slider | Masaru Furukawa, Yuki Shimizu, Junguo Xu, Takayoshi Ohtsu, Toshiya Shiramatsu | 2013-07-02 |
| 8373940 | Magnetic head having a facing electrode pair for generating an electromagnetic field and applying energy to the magnetic recording layer | Nobumasa Nishiyama, Masafumi Mochizuki | 2013-02-12 |
| 8351156 | Perpendicular magnetic recording head having a main pole and first and second magnetic films peripheral to the main pole and having different depths from an air bearing surface | Kazue Kudo, Hiromi Shiina, Tetsuya Okai, Gen Oikawa, Shouji Tokutake | 2013-01-08 |
| 8300358 | Magnetic head having write pole, first soft magnetic films separately disposed on both sides of the main pole, and a second soft magnetic film disposed on a trailing side of the main pole | Tadayuki Iwakura, Kimitoshi Etoh, Hiromi Shiina, Kazue Kudo | 2012-10-30 |
| 8248732 | Head-gimbal assembly including a transmission-line structure for high-density magnetic recording | Nobumasa Nishiyama | 2012-08-21 |
| 8223458 | Magnetic head having an asymmetrical shape and systems thereof | Masafumi Mochizuki, Etoh Kimitoshi | 2012-07-17 |
| 8189293 | Perpendicular magnetic recording head having a grooved wrap around shield and method for manufacturing the same | Yasuhiro Wakabayashi, Kazue Kudo, Shouji Tokutake, Hiromi Shiina | 2012-05-29 |
| 8064161 | Perpendicular magnetic recording head and method for manufacturing the same | Kazue Kudo, Hiromi Shiina, Gen Oikawa, Noriyuki Saiki | 2011-11-22 |
| 7995311 | Magnetic shield, manufacturing method thereof and thin film magnetic head employing the same | Kazue Kudo, Gen Oikawa, Noriyuki Saiki, Hiromi Shiina | 2011-08-09 |
| 7920359 | Magnetic recording apparatus with correlated main magnetic pole-to-shields spacing and main magnetic pole-to-medium layers spacing | Nelson Cheng, Hideki Zaitsu, Hisao Okamoto | 2011-04-05 |
| 7842408 | Magnetic film, manufacturing method thereof and thin film magnetic head | Kazue Kudo, Gen Oikawa, Noriyuki Saiki, Hiromi Shiina | 2010-11-30 |
| 7460335 | Magnetic head having first and second protective films with different coefficients of linear expansion | Tadayuki Iwakura, Takashi Kawabe, Makoto Morijiri, Hiroshi Fukui | 2008-12-02 |
| 7443625 | Magnetic disk drive | Takehiko Hamaguchi, Atsushi Nakamura, Yasutaka Nishida, Hisashi Takano, Hiroshi Ide +2 more | 2008-10-28 |
| 7333301 | Magnetic recording head and method for manufacturing | Kimitoshi Etoh, Nobuo Yoshida, Moriaki Fuyama, Makoto Morijiri, Kenichi Meguro +3 more | 2008-02-19 |