Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9601144 | Heat-assisted magnetic recording (HAMR) disk drive with disk having multiple continuous magnetic recording layers | Virat Vasav Mehta, James W. Reiner, Roger William Wood | 2017-03-21 |
| 9218847 | System and method for testing data storage systems utilizing micro-transitions | Weldon M. Hanson, Alexander Taratorin, Roger William Wood | 2015-12-22 |
| 8120866 | Method for characterizing a magnetic-recording system for the presence of adjacent-track interference and far-track interference | Xiaodong Che, Zhen Jin, Roger William Wood | 2012-02-21 |
| 8116021 | Synchronized rewriting of data | Michael Alex, Xiaodong Che, Zhen Jin | 2012-02-14 |
| 8094403 | Correcting errors in position of an HDD write-head | Roger William Wood, James Terrence Olson, Zhen Jin | 2012-01-10 |
| 7573677 | Reduction of interference pickup in heads for magnetic recording by minimizing parasitic capacitance | Vladimir Nikitin, Samuel Wonder Yuan, Robert Langland Smith, Mark Allen Burleson | 2009-08-11 |
| 7133254 | Magnetic recording head with heating device | Hendrik F. Hamann, Chie Ching Poon, Hemantha K. Wickramasinghe | 2006-11-07 |
| 6909674 | Thermally assisted magnetic write head system utilizing multilayer thermal barrier coatings | Yongho Ju, Howard Gordon Zolla | 2005-06-21 |
| 6859347 | Magnetic transducer with electrically conductive shield for reducing electromagnetic interference | Richard Hsiao, Klaas B. Klaassen, Edward Hing Pong Lee, Timothy J. Moran, Vladimir Nikitin +1 more | 2005-02-22 |
| 6498696 | Unipolar last write which improves magnetic stability | Albert John Wallash | 2002-12-24 |
| 6456449 | Disk drive with wide servo burst pattern and wide servo sensing element | Karl A. Belser, Wayne Leung Cheung, Dave Anthony Freitas, Ju-Hi J. Hong, Mohamad Towfik Krounbi +1 more | 2002-09-24 |
| 6320715 | Drive electronics employing unipolar last write for improved magnetic stability | Albert John Wallash | 2001-11-20 |
| 6169639 | Unipolar last write for improved magnetic stability | Albert John Wallash | 2001-01-02 |
| 6163442 | High moment bilayer first pole piece layer of a write head with high magnetic stability for promoting read signal symmetry of a read head | Hardayal Singh Gill, Edward Hinpong Lee, Joseph Smyth, John David Westwood, Samuel Wonder Yuan | 2000-12-19 |
| 6111406 | System and method for testing a write head in a combined magnetic head using an associated read sensor in the combined head | Glen Adam Garfunkel, Donald E. Horne | 2000-08-29 |
| 4914868 | Lapping control system for magnetic transducers | Mark A. Church, Annayya P. Deshpande, Alain M. Desouches, George S. Pal, Muhammad Inayet Ullah | 1990-04-10 |
| 4912883 | Lapping control system for magnetic transducers | Mike Chang, Mark A. Church | 1990-04-03 |