Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10283146 | System and method for reading data recorded on ferroelectric storage medium by means of a near-field transducer | Takuya Matsumoto, Barry Cushing Stipe, Roger William Wood | 2019-05-07 |
| 9355668 | Hard disk drive with contact detection using a spin torque oscillator | Yasutaka Nishida, Masato Shiimoto, Hiroyuki Katada, Junguo Xu | 2016-05-31 |
| 8995088 | Heat sink for a spin torque oscillator (STO) in microwave assisted magnetic recording (MAMR) | Carl Boone, Jianhua Li, Isao Nunokawa, Erhard Schreck, Mikito Sugiyama +1 more | 2015-03-31 |
| 8917465 | Implementing spin torque oscillator power-on oscillation checker using ramped STO bias differentiator in microwave-assisted magnetic recording (MAMR) hard disk drives | John Contreras, Samir Y. Garzon, Rehan Ahmed Zakai | 2014-12-23 |
| 8848317 | Magnetic data recording system with mirror image asymmetric magnetic write elements | Masato Shiimoto, Yasutaka Nishida, Hiroyuki Katada | 2014-09-30 |
| 8760779 | Energy-assisted magnetic recording head and systems thereof with environmental conditions control | William D. Johns, David L. Whitaker, Yoshihiro Shiroishi | 2014-06-24 |
| 8643972 | Magnetic storage apparatus, head drive controller, and head drive control method | Yoshihiro Shiroishi, Hiroshi Fukuda, Tomohiro Okada | 2014-02-04 |
| 8570684 | Implementing integrated spin-torque oscillator and interface bias control for hard disk drives | John Contreras, Albert John Wallash | 2013-10-29 |
| 8553507 | Write track shift control in shingled-microwave-assisted magnetic recording (MAMR-SMR) | Masaomi Ikeda | 2013-10-08 |
| 7830631 | Controlling an overshoot amplitude level based on a recording data pattern in a magnetic disk drive | Takeshi Nakagawa, Yasutaka Nishida | 2010-11-09 |
| 7518825 | Thin film magnetic head wherein at least one of a return pole, a first shield, and a second shield has a reverse taper | Syuji Nishida, Yasutaka Nishida | 2009-04-14 |
| 7486485 | Perpendicular hard disk drive resistive against external magnetic field | Takehiko Hamaguchi, Yoshihisa Kamo, Hideaki Maeda, Yukiya Shimizu, Tetsuo Yuki | 2009-02-03 |
| 7468852 | Method of demagnetizing magnetic recording medium and apparatus for carrying out same | Syuji Nishida, Yasutaka Nishida, Satoshi Tabata | 2008-12-23 |
| 7450349 | Magnetic head with soft magnetic shield and magnetic storage | Yasutaka Nishida, Masafumi Mochizuki, Roger William Wood | 2008-11-11 |
| 7428115 | Magnetic hard disk drive with countermeasure against spike noise | Takeshi Nakagawa, Atsushi Kikugawa | 2008-09-23 |
| 7408738 | Magnetic recording system with improved magnetic shield | Yasutaka Nishida, Toshihiko Shimizu | 2008-08-05 |
| 7016149 | Recording magnetic head and magnetic storage device using the same | Tomoko Kutsuzawa | 2006-03-21 |
| 6970324 | Thin film head with nickel-iron alloy non-magnetic substratum between non-magnetic gap layer and upper magnetic pole layer | Shoji Ikeda, Takayuki Kubomiya, Yuji Uehara | 2005-11-29 |
| 6876524 | Magnetoresistive transducer having stronger longitudinal bias field | Kenichiro Yamada | 2005-04-05 |
| 6828046 | Soft magnetic film of FeCoMO having a high saturation flux density, a moderate soft magnetism and a uniaxial magnetic anisotropy | Shoji Ikeda, Yuji Uehara, Yoshinori Ohtsuka | 2004-12-07 |
| 6822831 | Magnetic thin film, magnetic thin film forming method, and recording head | Shoji Ikeda, Yuji Uehara, Naoki Takeguchi, Masahiro Kakehi | 2004-11-23 |
| 6813824 | Method of producing thin film magnetic head | Minoru Hasegawa, Yoshinori Ohtsuka, Yuji Uehara, Takashi Sekikawa, Hiroshi Maeda +3 more | 2004-11-09 |
| 6751052 | Thin film magnetic head with short lower magnetic pole piece | Tomoko Kutsuzawa, Syuji Nishida, Teruo Kiyomiya, Yoshinori Ohtsuka, Hiroshi Maeda +4 more | 2004-06-15 |
| 6720075 | Magnetic recording medium and magnetic recording medium driver for the medium with N-type ferrimagnetic recording layer | Koji Matsumoto | 2004-04-13 |
| 6624972 | Magnetic head, method of manufacturing magnetic head and information recording apparatus | Syuji Nishida | 2003-09-23 |