Roger W. Wood

Person

Gilroy, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Non-binary decoding using tensor product transforms
- Patent number 10,404,290
- Issue date Sep 3, 2019
- Western Digital Technologies, Inc.
- Richard Leo Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for reading data recorded on ferroelectric storag...
- Patent number 10,283,146
- Issue date May 7, 2019
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Implementing enhanced track following during read back using head a...
- Patent number 10,008,229
- Issue date Jun 26, 2018
- Western Digital Technologies, Inc.
- Richard Leo Galbraith
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat assisted magnetic recording system having at least three possi...
- Patent number 9,818,440
- Issue date Nov 14, 2017
- Western Digital Technologies, Inc.
- Pierre-Olivier Jubert
- G11 - INFORMATION STORAGE
Information Patent Grant
Track error-correcting code extension
- Patent number 9,632,863
- Issue date Apr 25, 2017
- Western Digital Technologies, Inc.
- Richard L. Galbraith
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Heat-assisted magnetic recording (HAMR) disk drive with disk having...
- Patent number 9,601,144
- Issue date Mar 21, 2017
- HGST Netherlands B.V.
- Virat Vasav Mehta
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk drive with write position error signal valu...
- Patent number 9,437,232
- Issue date Sep 6, 2016
- HGST Netherlands B.V.
- Richard Leo Galbraith
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for testing data storage systems utilizing micro-...
- Patent number 9,218,847
- Issue date Dec 22, 2015
- HGST Netherlands B.V.
- Weldon Mark Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with distributed codeword blocks
- Patent number 9,059,737
- Issue date Jun 16, 2015
- HGST Netherlands B.V.
- Jonathan Darrel Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
System and methods utilizing dual read sensors
- Patent number 9,036,304
- Issue date May 19, 2015
- HGST Netherlands B.V.
- Richard Leo Galbraith
- G11 - INFORMATION STORAGE
Information Patent Grant
Implementing track following using data characteristics for positio...
- Patent number 8,902,534
- Issue date Dec 2, 2014
- HGST Netherlands B.V.
- Richard Michael Brockie
- G11 - INFORMATION STORAGE
Information Patent Grant
Scalable repair block error correction for sequential multiple data...
- Patent number 8,856,618
- Issue date Oct 7, 2014
- HGST Netherlands B.V.
- Kei Akiyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Asymmetric writer for shingled magnetic recording
- Patent number 8,792,210
- Issue date Jul 29, 2014
- HGST Netherlands B.V.
- Anton R. de la Fuente
- G11 - INFORMATION STORAGE
Information Patent Grant
Shingled magnetic recording (SMR) disk drive with verification of w...
- Patent number 8,665,545
- Issue date Mar 4, 2014
- HGST Netherlands B.V.
- Jonathan Darrel Coker
- G11 - INFORMATION STORAGE
Information Patent Grant
Measuring variations in head-disk clearance in a hard disk drive
- Patent number 8,649,119
- Issue date Feb 11, 2014
- HGST Netherlands B.V.
- Bruno Marchon
- G11 - INFORMATION STORAGE
Information Patent Grant
Asymmetric writer for shingled magnetic recording
- Patent number 8,310,786
- Issue date Nov 13, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Anton R. de la Fuente
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for characterizing a magnetic-recording system for the prese...
- Patent number 8,120,866
- Issue date Feb 21, 2012
- Hitachi Global Storage Technologies, Netherlands B.V.
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Grant
Correcting errors in position of an HDD write-head
- Patent number 8,094,403
- Issue date Jan 10, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Roger William Wood
- G11 - INFORMATION STORAGE
Information Patent Grant
Using readback signals to estimate radial location on a rotating st...
- Patent number 7,961,416
- Issue date Jun 14, 2011
- Hitachi Global Storage Technologies Netherlands, B.V.
- Roger William Wood
- G11 - INFORMATION STORAGE
Information Patent Grant
Flux shunt structure for reducing return pole corner fields in a pe...
- Patent number 7,639,450
- Issue date Dec 29, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yimin Hsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Winged design for reducing corner stray magnetic fields
- Patent number 7,616,403
- Issue date Nov 10, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Kuok San Ho
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic write head having a studded trailing shield...
- Patent number 7,551,396
- Issue date Jun 23, 2009
- Hitachi Global Storage Technologies Netherlands B.V.
- Yimin Hsu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for servowriting using a unipolar write current
- Patent number 6,865,041
- Issue date Mar 8, 2005
- Hitachi Global Storage Technologies Netherlands B.V.
- Thomas Claude Arnoldussen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reducing track misregistration due to digi...
- Patent number 6,456,450
- Issue date Sep 24, 2002
- International Business Machines Corporation
- Wei-Min Lu
- G05 - CONTROLLING REGULATING
Information Patent Grant
Dual coil rotary actuator
- Patent number 6,104,581
- Issue date Aug 15, 2000
- International Business Machines Corporation
- Fu-Ying Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
High capacity run-length-limited coding system employing asymmetric...
- Patent number 5,535,187
- Issue date Jul 9, 1996
- Intenational Business Machines Corporation
- Constantin M. Melas
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for determining byte synchronization within a...
- Patent number 5,448,571
- Issue date Sep 5, 1995
- International Business Machines Corporation
- Ju-Hi J. Hong
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for precompensation value determination in a P...
- Patent number 5,357,520
- Issue date Oct 18, 1994
- International Business Machines Corporation
- Patrick C. Arnett
- G11 - INFORMATION STORAGE
Information Patent Grant
Time-varying Viterbi detector for control of error event length
- Patent number 5,280,489
- Issue date Jan 18, 1994
- International Business Machines Corporation
- Lyle J. Fredrickson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Magnetic recording medium having magnetic storage and saturable lay...
- Patent number 5,041,922
- Issue date Aug 20, 1991
- Ampex Corporation
- Roger W. Wood
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
READBACK OF INFORMATION FROM A MOVING FERROELECTRIC RECORDING MEDIU...
- Publication number 20180350397
- Publication date Dec 6, 2018
- Western Digital Technologies
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
NON-BINARY DECODING USING TENSOR PRODUCT TRANSFORMS
- Publication number 20180034484
- Publication date Feb 1, 2018
- Western Digital Technologies, Inc.
- Richard Leo GALBRAITH
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMPLEMENTING ENHANCED TRACK FOLLOWING DURING READ BACK USING HEAD A...
- Publication number 20170194024
- Publication date Jul 6, 2017
- HGST NETHERLANDS B.V.
- Richard Leo Galbraith
- G11 - INFORMATION STORAGE
Information Patent Application
TRACK ERROR-CORRECTING CODE EXTENSION
- Publication number 20160203041
- Publication date Jul 14, 2016
- HGST NETHERLANDS B.V.
- Richard L. Galbraith
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR TESTING DATA STORAGE SYSTEMS UTILIZING MICRO-...
- Publication number 20150170707
- Publication date Jun 18, 2015
- HGST NETHERLANDS B.V.
- Weldon Mark HANSON
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM AND METHODS FOR COMBINING MULTIPLE OFFSET READ-BACKS
- Publication number 20150116860
- Publication date Apr 30, 2015
- HGST NETHERLANDS B.V.
- Jonathan Darrel COKER
- G11 - INFORMATION STORAGE
Information Patent Application
Disk Drive with Distributed Codeword Blocks
- Publication number 20140201590
- Publication date Jul 17, 2014
- HGST NETHERLANDS B.V.
- Jonathan Darrel Coker
- G11 - INFORMATION STORAGE
Information Patent Application
SCALABLE REPAIR BLOCK ERROR CORRECTION FOR SEQUENTIAL MULTIPLE DATA...
- Publication number 20140101515
- Publication date Apr 10, 2014
- HGST NETHERLANDS B.V.
- Kei Akiyama
- G11 - INFORMATION STORAGE
Information Patent Application
IMPLEMENTING TRACK FOLLOWING USING DATA CHARACTERISTICS FOR POSITIO...
- Publication number 20140036381
- Publication date Feb 6, 2014
- HGST NETHERLANDS B.V.
- Richard Michael Brockie
- G11 - INFORMATION STORAGE
Information Patent Application
SHINGLED MAGNETIC RECORDING (SMR) DISK DRIVE WITH VERIFICATION OF W...
- Publication number 20130148225
- Publication date Jun 13, 2013
- Jonathan Darrel Coker
- G11 - INFORMATION STORAGE
Information Patent Application
MEASURING VARIATIONS IN HEAD-DISK CLEARANCE IN A HARD DISK DRIVE
- Publication number 20130044387
- Publication date Feb 21, 2013
- Bruno Marchon
- G11 - INFORMATION STORAGE
Information Patent Application
ASYMMETRIC WRITER FOR SHINGLED MAGNETIC RECORDING
- Publication number 20130016443
- Publication date Jan 17, 2013
- HGST NETHERLANDS B.V.
- Anton R. de la Fuente
- G11 - INFORMATION STORAGE
Information Patent Application
ASYMMETRIC WRITER FOR SHINGLED MAGNETIC RECORDING
- Publication number 20110058277
- Publication date Mar 10, 2011
- Anton R. de la Fuente
- G11 - INFORMATION STORAGE
Information Patent Application
Using Readback Signals to Estimate Radial Location on a Rotating St...
- Publication number 20110038073
- Publication date Feb 17, 2011
- Roger William Wood
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR CHARACTERIZING A MAGNETIC-RECORDING SYSTEM FOR THE PRESE...
- Publication number 20110026154
- Publication date Feb 3, 2011
- Xiaodong Che
- G11 - INFORMATION STORAGE
Information Patent Application
Correcting Errors in Position of an HDD Write-Head
- Publication number 20100277827
- Publication date Nov 4, 2010
- Roger William Wood
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic write head having a studded trailing shield...
- Publication number 20060245109
- Publication date Nov 2, 2006
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Yimin Hsu
- G11 - INFORMATION STORAGE
Information Patent Application
Flux shunt structure for reducing return pole corner fields in a pe...
- Publication number 20060245108
- Publication date Nov 2, 2006
- HITACHI GLOBAL STORAGE TECHNOLOGIES
- Yimin Hsu
- G11 - INFORMATION STORAGE
Information Patent Application
Winged design for reducing corner stray magnetic fields
- Publication number 20060092562
- Publication date May 4, 2006
- Kuok San Ho
- G11 - INFORMATION STORAGE

Roger W. Wood

Person

Patents Grantslast 30 patents

Non-binary decoding using tensor product transforms

System and method for reading data recorded on ferroelectric storag...

Implementing enhanced track following during read back using head a...

Heat assisted magnetic recording system having at least three possi...

Track error-correcting code extension

Heat-assisted magnetic recording (HAMR) disk drive with disk having...

Magnetic recording disk drive with write position error signal valu...

System and method for testing data storage systems utilizing micro-...

Disk drive with distributed codeword blocks

System and methods utilizing dual read sensors

Implementing track following using data characteristics for positio...

Scalable repair block error correction for sequential multiple data...

Asymmetric writer for shingled magnetic recording

Shingled magnetic recording (SMR) disk drive with verification of w...

Measuring variations in head-disk clearance in a hard disk drive

Asymmetric writer for shingled magnetic recording

Method for characterizing a magnetic-recording system for the prese...

Correcting errors in position of an HDD write-head

Using readback signals to estimate radial location on a rotating st...

Flux shunt structure for reducing return pole corner fields in a pe...

Winged design for reducing corner stray magnetic fields

Perpendicular magnetic write head having a studded trailing shield...

Method and apparatus for servowriting using a unipolar write current

Method and apparatus for reducing track misregistration due to digi...

Dual coil rotary actuator

High capacity run-length-limited coding system employing asymmetric...

Method and apparatus for determining byte synchronization within a...

Method and apparatus for precompensation value determination in a P...

Time-varying Viterbi detector for control of error event length

Magnetic recording medium having magnetic storage and saturable lay...

Patents Applicationslast 30 patents

READBACK OF INFORMATION FROM A MOVING FERROELECTRIC RECORDING MEDIU...

NON-BINARY DECODING USING TENSOR PRODUCT TRANSFORMS

IMPLEMENTING ENHANCED TRACK FOLLOWING DURING READ BACK USING HEAD A...

TRACK ERROR-CORRECTING CODE EXTENSION

SYSTEM AND METHOD FOR TESTING DATA STORAGE SYSTEMS UTILIZING MICRO-...

SYSTEM AND METHODS FOR COMBINING MULTIPLE OFFSET READ-BACKS

Disk Drive with Distributed Codeword Blocks

SCALABLE REPAIR BLOCK ERROR CORRECTION FOR SEQUENTIAL MULTIPLE DATA...

IMPLEMENTING TRACK FOLLOWING USING DATA CHARACTERISTICS FOR POSITIO...

SHINGLED MAGNETIC RECORDING (SMR) DISK DRIVE WITH VERIFICATION OF W...

MEASURING VARIATIONS IN HEAD-DISK CLEARANCE IN A HARD DISK DRIVE

ASYMMETRIC WRITER FOR SHINGLED MAGNETIC RECORDING

ASYMMETRIC WRITER FOR SHINGLED MAGNETIC RECORDING

Using Readback Signals to Estimate Radial Location on a Rotating St...

METHOD FOR CHARACTERIZING A MAGNETIC-RECORDING SYSTEM FOR THE PRESE...

Correcting Errors in Position of an HDD Write-Head

Perpendicular magnetic write head having a studded trailing shield...

Flux shunt structure for reducing return pole corner fields in a pe...

Winged design for reducing corner stray magnetic fields