Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9047919 | Disk drive initializing servo read channel by reading data preceding servo preamble during access operation | Guoxiao Guo, Richard K. Wong, Davide Giovenzana, Teik Ee Yeo, Jie Yu | 2015-06-02 |
| 8711506 | Disk drive increasing capacity by adjusting a servo gate during write operations | Davide Giovenzana, Prakash Balasubramaniam, Teik Ee Yeo, Guoxiao Guo, Honge Wang +2 more | 2014-04-29 |
| 8035910 | Read after write enhancement for bit patterned media | Michael Mallary, Ching He | 2011-10-11 |
| 8000049 | Self-servo writing using reference patterns with timing correction | Charles R. Watt | 2011-08-16 |
| 7752491 | Methods and structure for on-the-fly head depopulation in a dynamically mapped mass storage device | Bruce A. Liikanen, Andrew W. Vogan | 2010-07-06 |
| 7685360 | Methods and structure for dynamic appended metadata in a dynamically mapped mass storage device | Don Brunnett, Bruce A. Liikanen, John P. Mead, Eric D. Mudama, Andrew W. Vogan | 2010-03-23 |
| 7675702 | Reduced convolution for repetitive disturbance rejection | Charles R. Watt, Xiao-Ping Zhang | 2010-03-09 |
| 7653847 | Methods and structure for field flawscan in a dynamically mapped mass storage device | Bruce A. Liikanen, Eric D. Mudama, Andrew W. Vogan | 2010-01-26 |
| 7623313 | Method and apparatus for performing a self-servo write operation in a disk drive | Bruce A. Liikanen, John L. Seabury | 2009-11-24 |
| 7620772 | Methods and structure for dynamic data density in a dynamically mapped mass storage device | Bruce A. Liikanen, Mike L. Mallary, John P. Mead, Eric D. Mudama, Andrew W. Vogan | 2009-11-17 |
| 7551387 | Servo writing with offset compensation for prewritten reference | Yu Sun, Dave McMurtrey, Bruce A. Liikanen, Don Brunnett, Charles R. Watt +4 more | 2009-06-23 |
| 7518817 | Reduction of high-frequency electromagnetic emission quasi-peaks from disk drives | Arun Balakrishnan, Leo Lopez, John Paul Shaw, Bruce Douglas Buch, Claud L. Blevins | 2009-04-14 |
| 7382564 | Acquiring spiral servo information on a storage surface | Tim Everett, Howard Barlow, Robert L. Metz | 2008-06-03 |
| 7233455 | Method and apparatus for providing a temporary utility zone in a disk drive | David Rewerts, Bruce A. Liikanen | 2007-06-19 |
| 7230786 | Method and apparatus for dynamic placement of an integration window in a disk drive having a disk surface with spiral servo information written thereon | Bill Ray, Bruce A. Liikanen | 2007-06-12 |
| 7184241 | Disk drive that performs cold writes to erased buffer | Michael Mallary, Yan Wu, Bruce Douglas Buch, Jeffrey V. DeRosa | 2007-02-27 |
| 7154689 | Apparatus for writing servo bursts on a disk with servo track pitch based on read element width and methods of manufacturing same | Stanley H. Shepherd, Yu Sun, Lin Guo | 2006-12-26 |
| 7136253 | Method and apparatus for providing multi-point position demodulation of a read head when using spiral-written servo information | Bruce A. Liikanen | 2006-11-14 |
| 7019937 | Method and apparatus for determining a transducer's reference position in a disk drive having a disk surface with spiral servo information written thereon | Bruce A. Liikanen, Steve Ward | 2006-03-28 |
| 6985316 | Method and apparatus for performing seek operations in a disk drive having a disk surface with spiral servo information written thereon | Bruce A. Liikanen, Bill Ray | 2006-01-10 |
| 6587977 | o,k,m,/m recording code | C. Michael Riggle | 2003-07-01 |
| 6185059 | Method of controlling a disk drive for eliminating blanking intervals formed on a storage disk positioned within the drive | Bruce Douglas Buch | 2001-02-06 |