Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9672856 | Perpendicular magnetic recording media with lateral exchange control layer | Shun Tonooka, Masayoshi Shimizu, Miki Nishida | 2017-06-06 |
| 9406322 | Graded side shield gap reader | Jun Aoyama, Masahiko Hatatani, Masato Shiimoto | 2016-08-02 |
| 9396744 | Two dimensional magnetic read head having asymmetrical secondary read elements | Masato Yamashita, Jun Aoyama, Masato Shiimoto | 2016-07-19 |
| 9355668 | Hard disk drive with contact detection using a spin torque oscillator | Yasutaka Nishida, Masato Shiimoto, Ikuya Tagawa, Junguo Xu | 2016-05-31 |
| 9245548 | Magnetic head using a synthetic ferri free structure | Masato Shiimoto, Kazuhiro Nakamoto, Hiroyuki Hoshiya | 2016-01-26 |
| 9190081 | AF-coupled dual side shield reader with AF-coupled USL | Jun Aoyama, Masato Shiimoto, Kenichi Meguro, Nobuo Yoshida | 2015-11-17 |
| 9099102 | Microwave-assisted magnetic recording head with high saturation magnetization material side shield | Masato Shiimoto, Maki Maeda | 2015-08-04 |
| 9082434 | Asymmetric sensitivity reader | Jun Aoyama, Masato Shiimoto, Mikito Sugiyama, Yosuke Urakami | 2015-07-14 |
| 9047888 | MAMR head adapted for high speed switching | Masato Shiimoto | 2015-06-02 |
| 8964332 | Microwave-assisted magnetic recording head with asymmetric side gap for shingled magnetic recording | Masato Shiimoto, Maki Maeda | 2015-02-24 |
| 8848317 | Magnetic data recording system with mirror image asymmetric magnetic write elements | Masato Shiimoto, Ikuya Tagawa, Yasutaka Nishida | 2014-09-30 |
| 8830623 | Shield structure for reducing the magnetic induction rate of the trailing shield and systems thereof | Tomoaki Hamasaki, Isao Nunokawa, Kimitoshi Etoh | 2014-09-09 |
| 8773822 | Spin-torque oscillator for microwave assisted magnetic recording | Masato Matsubara, Masato Shiimoto, Keiichi Nagasaka | 2014-07-08 |
| 8705206 | Microwave assisted magnetic recording (MAMR) head having an offset spin torque oscillator (STO) and narrow trailing gap | Maki Maeda, Masato Shiimoto | 2014-04-22 |
| 8643967 | Magnetic disk drive and microwave assisted recording method | Yasutaka Nishida, Masato Shiimoto | 2014-02-04 |
| 8547666 | Current perpendicular to plane magnetoresistive head having suppressed spin torque noise | Hiroyuki Hoshiya | 2013-10-01 |
| 8462468 | Magnetic head and magnetic disk drive to be used for shingled recording method | Takayuki Ichihara, Yoshiaki Kawato | 2013-06-11 |
| 8355224 | Sensor shape of a CPP magnetic head for improving the MR ratio | Satoru Okamoto, Koji Okazaki, Shuuichi Kojima, Nobuo Yoshida, Katsuro Watanabe | 2013-01-15 |
| 8270122 | Magnetic recording and reproducing device including a differential read head | Masato Shiimoto, Takeshi Nakagawa, Naoto Ito, Kenichi Meguro | 2012-09-18 |
| 8223463 | Magnetic read head | Masato Shiimoto, Hiroyuki Hoshiya | 2012-07-17 |
| 8223464 | Differential head having a balanced output and method of manufacturing thereof | Kan Yasui, Masato Shiimoto, Takeshi Nakagawa, Nobuo Yoshida, Hiroyuki Hoshiya | 2012-07-17 |
| 8174799 | Differential magnetoresistive magnetic head | Hiroyuki Hoshiya, Kenichi Meguro, Katsumi Hoshino, You Sato, Kazuhiro Nakamoto | 2012-05-08 |
| 7733614 | Magneto-resistive head having a stable response property without longitudinal biasing and method for manufacturing the same | Kenichi Meguro, Katsumi Hoshino, Hiroyuki Hoshiya | 2010-06-08 |
| 7697245 | CPP-GMR magnetic head having GMR-screen layer | Hiroyuki Hoshiya, Katsumi Hoshino, Kenichi Meguro, Yo Sato | 2010-04-13 |
| 7440241 | Magnetoresistive head using longitudinal biasing method with 90-degree magnetic interlayer coupling and manufacturing method thereof | Katsumi Hoshino, Hiroyuki Hoshiya, Kenichi Meguro | 2008-10-21 |