Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9390733 | Microwave-assisted magnetic recording (MAMR) head with an inclined and recessed main pole structure | Kazuhiko Hosomi, Mikito Sugiyama, Tomohiro Okada | 2016-07-12 |
| 9355655 | Magnetic capping layer structure for a spin torque oscillator | Yuta Udo, Mikito Sugiyama, Katsuro Watanabe, Masashi Hattori, Nobuo Yoshida | 2016-05-31 |
| 9230573 | Magnetic recording head with non-magnetic bump structure formed on spin torque oscillator | Kenji Sugiura, Mikito Sugiyama, Yohji Maruyama, Kazuhiko Hosomi, Katsuro Watanabe | 2016-01-05 |
| 9142227 | Microwave assisted magnetic recording (MAMR) write head and system | Masahiko Hatatani, Kazuhiko Hosomi, Yohji Maruyama, Kenji Sugiura, Mikito Sugiyama | 2015-09-22 |
| 9076462 | Magnetic head having a short yoke with a tapered coil structure | Kazuhiko Hosomi, Mikito Sugiyama, Yohji Maruyama | 2015-07-07 |
| 8941948 | Perpendicular recording head with leading bump in the main pole having narrow leading gap (LG) | Mikito Sugiyama, Hisashi Kimura, Kazuhiko Hosomi | 2015-01-27 |
| 8837088 | Microwave-assisted magnetic recording (MAMR) head with a current confinement structure | Hisashi Kimura, Kazuhiko Hosomi, Mikito Sugiyama | 2014-09-16 |
| 8830623 | Shield structure for reducing the magnetic induction rate of the trailing shield and systems thereof | Tomoaki Hamasaki, Hiroyuki Katada, Isao Nunokawa | 2014-09-09 |
| 8351154 | Perpendicular recording magnetic head with a varying interval between the main pole and the shield, and methods of manufacturing thereof | Mikito Sugiyama, Isao Nunokawa, Tomohiro Okada | 2013-01-08 |
| 8351162 | Magnetic head with electro lapping guide | Hisashi Kimura, Isao Nunokawa, Tomohiro Okada | 2013-01-08 |
| 8335051 | Perpendicular magnetic recording head having a magnetic layer overhanging a trailing side of a main pole and method of manufacture thereof | Isao Nunokawa, Mikito Sugiyama, Kikuo Kusukawa | 2012-12-18 |
| 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 | Yohji Maruyama, Tadayuki Iwakura, Hiromi Shiina, Kazue Kudo | 2012-10-30 |
| 8270260 | Optically assisted magnetic recording head having a waveguide core with a plate-shaped portion protruding from an air bearing surface side of the core | Tomohiro Okada, Hisashi Kimura, Tutomu Yasuda | 2012-09-18 |
| 8254059 | Perpendicular magnetic recording head with domain controlled side shield | Tomoya Horide | 2012-08-28 |
| 8203803 | Magnetic recording head for perpendicular recording with wrap around shield, the fabrication process and magnetic disk storage apparatus mounting the magnetic head | Masafumi Mochizuki, Isao Nunokawa, Tomohiro Okada | 2012-06-19 |
| 7990653 | Perpendicular recording magnetic head with a main magnetic pole piece and an auxiliary magnetic pole piece | Masafumi Mochizuki, Shuji Nishida, Isao Nunokawa | 2011-08-02 |
| 7895732 | Method for manufacturing a perpendicular magnetic recording head | Tomohiro Okada, Isao Nunokawa, Kikuo Kusukawa | 2011-03-01 |
| 7881012 | Magnetic head and magnetic disk storage apparatus mounting the head | Masafumi Mochizuki, Youji Maruyama, Hiroshi Fukui | 2011-02-01 |
| 7848053 | Magnetic head and magnetic disk storage apparatus mounting the head | Masafumi Mochizuki, Yoji Maruyama, Hiroshi Fukui | 2010-12-07 |
| 7788795 | Method for manufacturing a magnetic head | Hisako Takei, Masayuki Kurita, Yuji Kumazawa | 2010-09-07 |
| 7681303 | Method for manufacturing a magnetic head slider | Akira Kondo, Koji Tanaka, Ichiro Oodake | 2010-03-23 |
| 7684149 | Magnetic head and magnetic disk storage apparatus mounting the same | Masafumi Mochizuki, Kaori Suzuki | 2010-03-23 |
| 7679862 | Perpendicular recording head with reduced thermal protrusion | Kazuhiro Nakamoto, Masayuki Kurita | 2010-03-16 |
| 7619857 | Silicon-made magnetic head slider and method of producing the same | Masayuki Kurita, Toshiya Shiramatsu, Takanori Yamazaki | 2009-11-17 |
| 7606006 | Magnetic recording head and magnetic disk storage apparatus mounting the magnetic head | Masafumi Mochizuki, Kaori Suzuki | 2009-10-20 |