Issued Patents All Time
Showing 1–25 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10404290 | Non-binary decoding using tensor product transforms | Richard Leo Galbraith, Niranjay Ravindran | 2019-09-03 |
| 10283146 | System and method for reading data recorded on ferroelectric storage medium by means of a near-field transducer | Takuya Matsumoto, Barry Cushing Stipe, Ikuya Tagawa | 2019-05-07 |
| 10008229 | Implementing enhanced track following during read back using head asymmetry metrics in hard disk drives | Richard Leo Galbraith, Weldon M. Hanson, Mark A. Nichols, Alexander Taratorin | 2018-06-26 |
| 9818440 | Heat assisted magnetic recording system having at least three possible magnetic configurations per physical bit | Pierre-Olivier Jubert, Michael Grobis, Richard Leo Galbraith | 2017-11-14 |
| 9632863 | Track error-correcting code extension | Richard Leo Galbraith, Weldon M. Hanson | 2017-04-25 |
| 9601144 | Heat-assisted magnetic recording (HAMR) disk drive with disk having multiple continuous magnetic recording layers | Virat Vasav Mehta, James W. Reiner, Michael Paul Salo | 2017-03-21 |
| 9437232 | Magnetic recording disk drive with write position error signal values written in the data tracks for compensation of track misregistration | Richard Leo Galbraith, Weldon M. Hanson | 2016-09-06 |
| 9218847 | System and method for testing data storage systems utilizing micro-transitions | Weldon M. Hanson, Michael Paul Salo, Alexander Taratorin | 2015-12-22 |
| 9059737 | Disk drive with distributed codeword blocks | Jonathan Darrel Coker, Richard Leo Galbraith, Weldon M. Hanson, Travis Roger Oenning | 2015-06-16 |
| 9036304 | System and methods utilizing dual read sensors | Richard Leo Galbraith | 2015-05-19 |
| 8902534 | Implementing track following using data characteristics for positional information | Richard Michael Brockie, Richard Leo Galbraith, Petrus Antonius Van Der Heijden | 2014-12-02 |
| 8856618 | Scalable repair block error correction for sequential multiple data blocks in a magnetic data storage device | Kei Akiyama, Sridhar Chatradhi, Jonathan Darrel Coker, Martin Hassner, Kirk Hwang | 2014-10-07 |
| 8792210 | Asymmetric writer for shingled magnetic recording | Anton R. de la Fuente, Masafumi Mochizuki, James Terrence Olson | 2014-07-29 |
| 8665545 | Shingled magnetic recording (SMR) disk drive with verification of written data | Jonathan Darrel Coker, Martin Hassner, Kirk Hwang, Bruce A. Wilson | 2014-03-04 |
| 8649119 | Measuring variations in head-disk clearance in a hard disk drive | Bruno Marchon, Kazuhiro Saito, Bruce A. Wilson | 2014-02-11 |
| 8310786 | Asymmetric writer for shingled magnetic recording | Anton R. de la Fuente, Masafumi Mochizuki, James Terrence Olson | 2012-11-13 |
| 8120866 | Method for characterizing a magnetic-recording system for the presence of adjacent-track interference and far-track interference | Xiaodong Che, Zhen Jin, Michael Paul Salo | 2012-02-21 |
| 8094403 | Correcting errors in position of an HDD write-head | James Terrence Olson, Zhen Jin, Michael Paul Salo | 2012-01-10 |
| 7961416 | Using readback signals to estimate radial location on a rotating storage device | Jonathan Darrel Coker | 2011-06-14 |
| 7639450 | Flux shunt structure for reducing return pole corner fields in a perpendicular magnetic recording head | Yimin Hsu, Quang Le | 2009-12-29 |
| 7616403 | Winged design for reducing corner stray magnetic fields | Kuok San Ho, Yimin Hsu, Masafumi Mochizuki, Ching Hwa Tsang | 2009-11-10 |
| 7551396 | Perpendicular magnetic write head having a studded trailing shield compatible with read/write offset | Yimin Hsu, Quang Le | 2009-06-23 |
| 7450349 | Magnetic head with soft magnetic shield and magnetic storage | Yasutaka Nishida, Ikuya Tagawa, Masafumi Mochizuki | 2008-11-11 |
| 6865041 | Method and apparatus for servowriting using a unipolar write current | Thomas C. Arnoldussen, Ju-Hi J. Hong | 2005-03-08 |
| 6456450 | Method and apparatus for reducing track misregistration due to digital-to-analog converter quantization noise | Wei Lu, Mantle Man-Hon Yu | 2002-09-24 |