G11B20/1889 - CPC Classification Index

#1

20250391426

2025-12-25

MAGNETIC DISK DEVICE

#2

20240321314

2024-09-26

Magnetic disk device and method of managing parity

#3

20240312485

2024-09-19

MAGNETIC DISK DEVICE AND METHOD

#4

20230307000

2023-09-28

Overlapping processing of data tracks

#5

20220301590

2022-09-22

Magnetic disk device

#6

20220223177

2022-07-14

System and method for write-retry management

#7

20220084554

2022-03-17

MAGNETIC DISK DEVICE AND ERROR CORRECTION METHOD

#8

20220044702

2022-02-10

Magnetic disk device and error correction method

#9

20220027226

2022-01-27

Data storage device dynamically relocating data sectors based on map-out value

#10

20200341873

2020-10-29

Data access method, apparatus and computer program product

#11

20190391748

2019-12-26

Method and system for data placement in a hard disk drive based on access frequency for improved IOPS and utilization efficiency

#12

20190332305

2019-10-31

Method, apparatus for processing disk bad sector,and computer storage medium

#13

20190325912

2019-10-24

Wear mitigation system for a magnetic recording medium

#14

20190311742

2019-10-10

Location selection based on adjacent location errors

#15

20190295596

2019-09-26

Magnetic disk device capable of reallocating address corresponding to defective sector to alternative sector

#16

20190287567

2019-09-19

Disk device and media scanning method

#17

20190251997

2019-08-15

Defect registration method

#18

20190251996

2019-08-15

WANDERING WRITE PROTECTION FOR SHINGLED MAGNETIC RECORDING STORAGE DEVICES

#19

20190205041

2019-07-04

DISC DRIVE THROUGHPUT BALANCING

#20

20190066715

2019-02-28

Shingled magnetic recording device capable of setting track-pitch at target track and two adjacent tracks

#21

20190013046

2019-01-10

Self-healing in a storage system

#22

20180366157

2018-12-20

VIDEO STORAGE

#23

20180254062

2018-09-06

Optical disc apparatus

#24

20180174615

2018-06-21

STORAGE DEVICE AND A METHOD FOR DEFECT SCANNING OF THE SAME

#25

20180032284

2018-02-01

Information processing device, information recording medium, information processing method, and program

#26

20170278541

2017-09-28

Information recording method and information recording apparatus including switching of recording layer in shortage of free space

#27

20170243603

2017-08-24

Disc drive circuitry swap

#28

20170221519

2017-08-03

Rewriting of data stored in defective storage regions into other storage regions

#29

20170206927

2017-07-20

Interlaced magnetic recording super parity

#30

20170206923

2017-07-20

Optical recording medium having condition management area for managing the recording condition of management information

#31

20170117012

2017-04-27

Writing method of data, reading method of data, and optical disc drive

#32

20170098463

2017-04-06

Storage device and a method for defect scanning of the same

#33

20170040033

2017-02-09

Write-once storage medium capable of recording data blocks on both land and groove of spiral track

#34

20160343400

2016-11-24

MAGNETIC DISK DEVICE, CONTROLLER, AND REDUNDANT SECTOR ARRANGEMENT METHOD

#35

20160266841

2016-09-15

System and method for determination and reallocation of pending sectors caused by media fatigue

#36

20160260457

2016-09-08

FLEXIBLE VIRTUAL DEFECT PADDING

#37

20160253250

2016-09-01

Banded allocation of device address ranges in distributed parity schemes

#38

20160217815

2016-07-28

Magnetic disk apparatus and data recording method

#39

20160210996

2016-07-21

Systems and methods for multi-track media defect detection

#40

20160210193

2016-07-21

Localized dispersed storage memory system

#41

20160155471

2016-06-02

Selective shingled magnetic recording scheme

#42

20160148647

2016-05-26

Flexible virtual defect padding

#43

20160012850

2016-01-14

Binding shingled recording bands

#44

20160012849

2016-01-14

Dynamic band boundaries

#45

20150294690

2015-10-15

MAGNETIC DISK APPARATUS AND DATA RECORDING METHOD

#46

20150279419

2015-10-01

Multi-sensor media defect scan

#47

20150149869

2015-05-28

Physical subsector error marking

#48

20150113201

2015-04-23

Method and system for preserving data of a storage device

#49

20150081991

2015-03-19

Information processing apparatus and access control method

#50

20150062738

2015-03-05

Systems and methods for variable sector count spreading and de-spreading

#51

20150036471

2015-02-05

Apparatus and method for reproducing an optical recording, and computer-readable recording medium

#52

20140286152

2014-09-25

Data recording/reproducing device, archive system, and recording control method

#53

20140285917

2014-09-25

Write avoidance areas around bad blocks on a hard disk drive platter

#54

20140247516

2014-09-04

Localized dispersed storage memory system

#55

20140139942

2014-05-22

Magnetic recording disk drive with method for recovery of data from failed data sectors

#56

20140032998

2014-01-30

Systems and methods for improved short media defect detection

#57

20140032982

2014-01-30

Systems and methods for enhanced media defect detection

#58

20140016224

2014-01-16

System, method and apparatus for selection of reserved area data tracks

#59

20130258829

2013-10-03

Recording apparatus, and recording method

#60

20130258828

2013-10-03

Recording apparatus, recording method, reproducing apparatus, and reproducing method

#61

20130229899

2013-09-05

Media record/play device and media record/play method

#62

20120300341

2012-11-29

Information recorder and information recording method for recording data after an occurrence of off track writing

#63

20120260138

2012-10-11

ERROR LOGGING IN A STORAGE DEVICE

#64

20120224465

2012-09-06

Recording reproducing apparatus and recording reproducing method

#65

20120218877

2012-08-30

Media record/play device and media record/play method

#66

20120159065

2012-06-21

Write-once information recording medium, information recording method, information recording device, information reproduction method, information reproduction device and method for manufacturing information recording medium

#67

20110142425

2011-06-16

Information recording medium, and apparatus and method for recording information to information recording medium

#68

20110122523

2011-05-26

Localized dispersed storage memory system

#69

20090092014

2009-04-09

Recording device and recording method

#70

20090028028

2009-01-29

Apparatus for recording/reproducing information on/from an optical disc having focus control capabilities

#71

20080298204

2008-12-04

Optical disc drive apparatus

#72

20080112287

2008-05-15

OPTICAL DISK AND OPTICAL DISK DRIVE DEVICE

#73

20080031107

2008-02-07

Optical disk apparatus and a method for compensating recording power of the same

#74

20070292114

2007-12-20

Disc drive circuitry swap

#75

20070291610

2007-12-20

Recording and reproducing apparatus and digital data recording method

#76

20070153661

2007-07-05

Storage medium, reproducing method, and recording method

#77

20070133379

2007-06-14

Information storage medium including a system lead-in area, a connection area, a data lead-in area and a data area

#78

20070126890

2007-06-07

Digital camcorder for recording video data on an optical disk

#79

20070104080

2007-05-10

Storage medium including a burst cutting area (BCA)

#80

20070091784

2007-04-26

Storage medium including a burst cutting area (BCA)

#81

20070002701

2007-01-04

Optical disk and optical disk drive device

#82

20060294534

2006-12-28

Optical disk and optical disk drive device

#83

20060092785

2006-05-04

Information-recording apparatus, information-recording method, program storage medium and program

#84

20060072440

2006-04-06

Record carrier

#85

20050149647

2005-07-07

Method and apparatus for a disc drive client interface

#86

20050122867

2005-06-09

Optical disk and optical disk drive device

#87

20050105422

2005-05-19

Optical disk and optical disk drive device

#88

20050052975

2005-03-10

Information recording/reproducing apparatus that improves recording/reproducing characteristics

#89

18768832

2025-07-01

Method and magnetic disk apparatus

#90

17061365

2022-03-01

System and method for write-retry management

#91

16782399

2020-12-15

Reduced adjacent track erasure from write retry

#92

16372225

2020-06-23

Preamble defect detection and mitigation

#93

15911545

2018-11-27

Shingled magnetic recording device capable of setting track-pitch at target track and two adjacent tracks

#94

15601056

2018-07-17

Heat-assisted magnetic recording error-recovery by erasing adjacent tracks using laser

#95

15085559

2017-06-13

Thermal asperity detection apparatus and method

#96

14737822

2016-06-07

Disk defect management for a data storage device

#97

14582143

2017-12-12

Data storage device having improved read failure tolerance

#98

14582025

2016-04-12

Write-through media caching

#99

14574350

2015-06-23

Method and system for monitoring disk reliability with global disk scrubbing

#100

14514689

2016-01-12

Methods for reducing operational latency of data storage systems

#101

14307345

2015-07-07

Electronic system with data management mechanism and method of operation thereof

#102

13928156

2016-05-03

Mapping of shingled magnetic recording media