JV

John VanLaanen

MA Maxtor: 12 patents #13 of 656Top 2%
ST Seagate Technology: 7 patents #826 of 4,626Top 20%
WT Western Digital Technologies: 2 patents #1,273 of 3,180Top 45%
QU Quantum: 1 patents #325 of 703Top 50%
Overall (All Time): #197,055 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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