Inventor

Bruce A. Wilson

Inventor

San Jose, CA, US

Overview

2002–2019

Patent span

Physics

Primary field (CPC G)

Patents· 88 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 transducer49%

H03MCoding19%

G06FElectric digital data processing7%

H04LTransmission of digital information, e.g. telegraphic communication7%

B82YSpecific uses or applications of nanostructures5%

G11CStatic stores4%

G01RMeasuring electric variables1%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes1%

B42DBooks1%

G01DMeasuring not specially adapted for a specific variable1%

PatentTitleYear

10,367,526Irregular low density parity check processing system with non-uniform scaling2019 9,837,145Multi-level flash storage device with minimal read latency2017 9,786,316'Multi-track data readers with iterative inter-track interference cancellation'2017 9,754,610'Magnetic recording system with ternary pattern dependent write signaling'2017 9,740,580'Systems and methods for serial data transfer margin increase'2017 9,721,588'Magnetic recording system including differentiated write current emphasis signal generator circuit'2017 9,715,887'Magnetic recording system using pattern dependent writer having register pages for storing write currents'2017 9,607,701'Systems and methods for dynamically programming a flash memory device'2017 9,525,436'Data detector with extended states'2016 9,407,295'Diversity loop detector with component detector switching'2016 9,385,756'Data processing system with retained sector reprocessing'2016 9,336,804'Systems and methods for multi-resolution data sensing'2016 9,286,933'Systems and methods for controlled data processor operational marginalization'2016 9,275,655'Timing error detector with diversity loop detector decision feedback'2016 9,263,138'Systems and methods for dynamically programming a flash memory device'2016 9,246,519'Test pattern optimization for LDPC based flawscan'2016 9,224,421'Non-decision directed magnetoresistive asymetry estimation'2015 9,219,503'Systems and methods for multi-algorithm concatenation encoding and decoding'2015 9,202,519'Adaptive calibration of noise predictive finite impulse response filter based on decoder convergence'2015 9,196,299'Systems and methods for enhanced data encoding and decoding'2015 9,147,417'Systems and methods for head position estimation'2015 9,129,648'Multiple track detection'2015 9,129,650'Array-reader based magnetic recording systems with frequency division multiplexing'2015 9,093,116'Systems and methods for channel target based CBD estimation'2015 9,053,743'Servo marginalization'2015 9,001,446'System and method for power saving modes in multi-sensor magnetic recording'2015 8,976,471'Systems and methods for two stage tone reduction'2015 8,949,704'Systems and methods for mis-correction correction in a data processing system'2015 8,930,780'Systems and methods for non-zero syndrome based processing'2015 8,908,304'Systems and methods for channel target based CBD estimation'2014 8,908,307'Systems and methods for hard disk drive region based data encoding'2014 8,902,525'Systems and methods for indirect parameter calibration in a data processing system'2014 8,885,276'Systems and methods for shared layer data decoding'2014 8,861,109'Data processing system with adjacent track interference metric'2014 8,854,757'Systems and methods for old data inter-track interference compensation'2014 8,848,776'Systems and methods for multi-dimensional signal equalization'2014 8,826,105'Data processing system with out of order transfer'2014 8,819,519'Systems and methods for enhanced accuracy NPML calibration'2014 8,675,297'Media defect classification'2014 8,665,545'Shingled magnetic recording (SMR) disk drive with verification of written data'2014 8,661,117'Systems and methods for managing faults in a network'2014 8,654,465'Implementing spin-torque oscillator sensing with enhanced demodulator for hard disk drives'2014 8,649,119'Measuring variations in head-disk clearance in a hard disk drive'2014 8,570,677'Implementing spin-torque oscillator sensing with enhanced integrated demodulator for hard disk drives'2013 8,553,346'Implementing spin-torque oscillator sensing with enhanced delay control feedback circuit for hard disk drives'2013 8,531,793'Disk drive with variable incremented counting of writes to the data tracks for minimizing the effect of far track erasure'2013 8,514,519'Device for generating high frequency magnetic fields in a rest-frame of a magnetic medium'2013 8,423,873'Decoding techniques for correcting errors using soft information'2013 8,259,409'Spin torque oscillator sensor'2012 8,213,229'Error control in a flash memory device'2012 8,209,578'Systems using low density parity check codes for correcting errors'2012 8,189,282'Servo patterns for patterned media'2012 8,059,350'Patterned magnetic recording disk with patterned servo sectors having chevron servo patterns'2011 8,059,352'Patterned-media magnetic recording disk with cryptographically scrambled patterns and disk drive operable with the disk'2011 8,037,393'Techniques for generating bit reliability information in the post processor'2011 8,037,394'Techniques for generating bit reliability information in a post-processor using an error correction constraint'2011 8,000,048'Magnetic recording disk and disk drive with track identification using phase-type servo patterns'2011 7,880,990'Patterned-media magnetic recording disk with cryptographically scrambled patterns and disk drive operable with the disk'2011 7,869,152'Techniques for identifying servo sectors in storage devices'2011 7,774,685'HDD sector format with reduced vulnerability to defects and burst errors'2010 7,768,729'Method, system, and computer program product for estimating adjacent track erasure risk by determining erase band width growth rates'2010 7,725,800'Decoding techniques for correcting errors using soft information'2010 7,715,137'Servo patterns for patterned media'2010 7,675,703'Magnetic recording disk drive with patterned media and system for clocking write data'2010 7,605,996'Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk'2009 7,606,948'System and method for generating warranty and pricing information for data storage apparatus'2009 7,571,263'Apparatus and method for monitoring data storage device for usage and warranty'2009 7,545,596'System and method for WORM magnetic recording'2009 7,502,854'Systems and methods for managing faults in a network'2009 7,502,206'Multiple extraordinary magnetoresistive (EMR) sensor utilizing both current leads'2009 7,388,938'Method for bit-byte synchronization in sampling a data string'2008 7,317,596'Magnetic recording disk drive having read head with high cross-track resolution and disk with low bit-aspect-ratio'2008 7,245,444'Method and apparatus for providing a read channel having imbedded channel signal analysis'2007 7,233,903'Systems and methods for marking and later identifying barcoded items using speech'2007 7,142,134'Techniques for generating modulation codes using running substitutions'2006 7,139,819'Systems and methods for managing faults in a network'2006 7,126,502'Techniques for using interleaved encoders to obtain modulation constraints'2006 7,119,980'System and method for writing secure data to disk'2006 7,119,975'Skew-tolerant Gray code for a moveable object'2006 7,113,555'Data channel with joint data estimation and timing recovery'2006 7,071,851'Techniques for implementing non-uniform constraints in modulation encoded data'2006 7,064,687'Techniques for modulating data using short block encoders'2006 7,019,673'Skew-tolerant gray codes'2006 6,975,471'Data recording medium with servo pattern having pseudo-random binary sequences'2005 6,967,808'Data recording system with servo pattern having pseudo-random binary sequences'2005 6,885,321'Skew-tolerant gray codes'2005 6,708,308'Soft output viterbi algorithm (SOVA) with error filters'2004 6,411,224'Trellis codes for transition jitter noise'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Based in Stanford, CA, US· patent location history

2004–2019Based in San Jose, CA, US· patent location history

2005–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (22)· patent assignee history

2006–2014Based in Arlington, MA, US· patent location history

2011–2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (10)· patent assignee history

2012–2014Patents assigned to HGST Netherlands BV (9)· patent assignee history

2014–2016Patents assigned to LSI CORP (27)· patent assignee history

2015–2017Patents assigned to AVAGO TECHNOLOGIES GENERAL IP (23)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LSI CORP	27	2014–2016
AVAGO TECHNOLOGIES GENERAL IP	23	2015–2017
HITACHI GLOBAL STORAGE TECH	22	2005–2010
HITACHI GLOBAL STORAGE TECH NL	10	2011–2012
HGST Netherlands BV	9	2012–2014

Locations

Location	Patents	Span
San Jose, California, US	84	2004–2019
Arlington, Massachusetts, US	3	2006–2014
Stanford, California, US	1	2002