Inventor

John VanLaanen

Inventor

Louisville, CO, US

Overview

22→

Patents

2001–2015

Patent span

Physics

Primary field (CPC G)

Patents· 22 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer77%

G06FElectric digital data processing12%

B82YSpecific uses or applications of nanostructures4%

G01RMeasuring electric variables4%

H03MCoding4%

PatentTitleYear

9,047,919'Disk drive initializing servo read channel by reading data preceding servo preamble during access operation'2015 8,711,506'Disk drive increasing capacity by adjusting a servo gate during write operations'2014 8,035,910'Read after write enhancement for bit patterned media'2011 8,000,049'Self-servo writing using reference patterns with timing correction'2011 7,752,491'Methods and structure for on-the-fly head depopulation in a dynamically mapped mass storage device'2010 7,685,360'Methods and structure for dynamic appended metadata in a dynamically mapped mass storage device'2010 7,675,702'Reduced convolution for repetitive disturbance rejection'2010 7,653,847'Methods and structure for field flawscan in a dynamically mapped mass storage device'2010 7,623,313'Method and apparatus for performing a self-servo write operation in a disk drive'2009 7,620,772'Methods and structure for dynamic data density in a dynamically mapped mass storage device'2009 7,551,387'Servo writing with offset compensation for prewritten reference'2009 7,518,817'Reduction of high-frequency electromagnetic emission quasi-peaks from disk drives'2009 7,382,564'Acquiring spiral servo information on a storage surface'2008 7,233,455'Method and apparatus for providing a temporary utility zone in a disk drive'2007 7,230,786'Method and apparatus for dynamic placement of an integration window in a disk drive having a disk surface with spiral servo information written thereon'2007 7,184,241'Disk drive that performs cold writes to erased buffer'2007 7,154,689'Apparatus for writing servo bursts on a disk with servo track pitch based on read element width and methods of manufacturing same'2006 7,136,253'Method and apparatus for providing multi-point position demodulation of a read head when using spiral-written servo information'2006 7,019,937'Method and apparatus for determining a transducer\'s reference position in a disk drive having a disk surface with spiral servo information written thereon'2006 6,985,316'Method and apparatus for performing seek operations in a disk drive having a disk surface with spiral servo information written thereon'2006 6,587,977'o,k,m,/m recording code'2003 6,185,059'Method of controlling a disk drive for eliminating blanking intervals formed on a storage disk positioned within the drive'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2015Based in Louisville, CO, US· patent location history

2003–2009Patents assigned to MAXTOR CORP (12)· patent assignee history

2006–2007Based in Longmont, CO, US· patent location history

2009–2011Patents assigned to SEAGATE TECHNOLOGY LLC (6)· patent assignee history

2014–2015Patents assigned to WESTERN DIGITAL TECH INC (2)· patent assignee history

2014Patents assigned to BALASUBRAMANIAM PRAKASH (1)· patent assignee history

2014Patents assigned to GIOVENZANA DAVIDE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MAXTOR CORP	12	2003–2009
SEAGATE TECHNOLOGY LLC	6	2009–2011
WESTERN DIGITAL TECH INC	2	2014–2015
BALASUBRAMANIAM PRAKASH	1	2014
GIOVENZANA DAVIDE	1	2014

Locations

Location	Patents	Span
Louisville, CO, US	20	2001–2015
Longmont, CO, US	2	2006–2007