WESTERN DIGITAL TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology MATTERS Rank in Class
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 4062 1
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 985 76
 
 
G11C STATIC STORES 213 44
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 134 221
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 98 39
 
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 84 199
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 72 83
 
 
B44C PRODUCING DECORATIVE EFFECTS 60 5
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 56 106
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 41 62
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0032,261 Efficient Data Management Through Compressed Data Interfaces Jun 13, 17 Feb 01, 18 [G06F]
2018/0032,267 EXTENSIBLE STORAGE SYSTEM CONTROLLER Jul 27, 17 Feb 01, 18 [G06F]
2018/0032,268 ADAPTIVE WEAR LEVELLING Oct 21, 16 Feb 01, 18 [G06F]
2018/0032,277 MULTI-STREAM JOURNALED REPLAY Jul 27, 16 Feb 01, 18 [G06F]
2018/0032,278 BIT-LEVEL INDIRECTION DEFRAGMENTATION Jul 28, 16 Feb 01, 18 [G06F]
2018/0032,385 Storage Anomaly Detection Jul 28, 16 Feb 01, 18 [G06F]
2018/0032,395 ERASURE CORRECTING CODING USING TEMPORARY ERASURE DATA Oct 12, 17 Feb 01, 18 [G11C, G06F, H03M]
2018/0034,476 HIERARCHICAL VARIABLE CODE RATE ERROR CORRECTION CODING Oct 21, 16 Feb 01, 18 [G11C, G06F, H03M]
2018/0034,479 NON-BINARY ENCODING FOR NON-VOLATILE MEMORY Jul 27, 17 Feb 01, 18 [G11C, G06F, H03M]
2018/0034,484 NON-BINARY DECODING USING TENSOR PRODUCT TRANSFORMS Jul 31, 17 Feb 01, 18 [G06F, H03M]
2018/0024,737 SYSTEMS AND METHODS FOR CLASSIFYING DATA IN SOLID STATE DRIVES Jul 19, 16 Jan 25, 18 [G11C, G06F]
2018/0024,743 DUAL-PORTED PCI EXPRESS-BASED STORAGE CARTRIDGE INCLUDING SINGLE-PORTED STORAGE CONTROLLERS Jul 20, 16 Jan 25, 18 [G06F]
2018/0024,751 METADATA MANAGEMENT ON A STORAGE DEVICE Jul 19, 16 Jan 25, 18 [G06F]
2018/0024,753 INTERNALLY PRECONDITIONING SOLID STATE DRIVES FOR VARIOUS WORKLOADS Jul 21, 16 Jan 25, 18 [G06F]
2018/0024,759 Indirection-Based Storage System Backups May 05, 17 Jan 25, 18 [G06F]
2018/0024,767 Reference Set Construction for Data Deduplication May 24, 17 Jan 25, 18 [G06F]
2018/0024,919 MAPPING TABLES FOR STORAGE DEVICES Jul 19, 16 Jan 25, 18 [G06F]
2018/0025,046 Reference Set Construction for Data Deduplication May 24, 17 Jan 25, 18 [G06F]
2018/0025,746 LOW MAGNETIC FLUX DENSITY INTERFACE LAYER FOR SPIN TORQUE OSCILLATOR Sep 25, 17 Jan 25, 18 [G11B]
2018/0025,782 SYSTEMS AND METHODS FOR PROGRAMMING DATA TO STORAGE DEVICES Jul 25, 16 Jan 25, 18 [G11C]
2018/0018,100 COMPRESSION OF INDIRECTION TABLES Jul 12, 16 Jan 18, 18 [G06F]
2018/0018,259 APPARATUS AND METHOD FOR LOW POWER LOW LATENCY HIGH CAPACITY STORAGE CLASS MEMORY Sep 26, 17 Jan 18, 18 [G11C, G06F]
2018/0018,287 METHOD TO GENERATE PATTERN DATA OVER GARBAGE DATA WHEN ENCRYPTION PARAMETERS ARE CHANGED Sep 14, 17 Jan 18, 18 [H04L, G06F, G09C]
2018/0012,627 MANAGING FAR AND NEAR TRACK ERASURE BY DYNAMIC CONTROL OF A WRITE CURRENT PARAMETER OF A MAGNETIC DISK DRIVE Jul 07, 16 Jan 11, 18 [G11B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9880594 Thermal management for solid-state drive Jul 27, 15 Jan 30, 18 [G06F, H01L, H05K, B82Y]
9880752 Memory die temperature adjustment based on a power condition Aug 02, 16 Jan 30, 18 [G11C, G06F]
9880755 System and method for copy on write on an SSD Feb 25, 15 Jan 30, 18 [G06F]
9881639 Within-row wedge angle control for magnetic recording read-write heads Jun 23, 16 Jan 30, 18 [B24B, G11B]
9881640 Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islands Mar 29, 16 Jan 30, 18 [G01R, G11B, H04R]
9881641 Burst writing for clearance calibration in a heat assisted magnetic data recording system Dec 30, 16 Jan 30, 18 [G11B]
9881643 Data storage device generating extended redundancy to compensate for track squeeze May 15, 17 Jan 30, 18 [G11B]
9881650 Connector mitigating crosstalk for high speed communication Dec 26, 16 Jan 30, 18 [H01R, G11B, H05K]
9875025 System and method for performing data retention in solid-state memory using an LRU list Sep 14, 15 Jan 23, 18 [G11C, G06F]
9875031 Data retention management for data storage device Sep 30, 15 Jan 23, 18 [G06F]
9875053 Scheduling scheme(s) for a multi-die storage device Oct 14, 15 Jan 23, 18 [G06F]
9875055 Check-pointing of metadata Aug 04, 14 Jan 23, 18 [G06F]
9875062 Memory die temperature adjustment based on aging condition Mar 04, 16 Jan 23, 18 [G11C, G06F]
9876054 Thermal management of selector Jul 27, 16 Jan 23, 18 [H01L]
9877415 Cold storage server with heat dissipation Jun 28, 16 Jan 23, 18 [G06F, H05K]
9870281 Power loss mitigation for data storage device Mar 20, 15 Jan 16, 18 [G06F]
9870803 Adhesive cover seal for hermetically-sealed data storage device May 31, 16 Jan 16, 18 [G11B]
9870804 Retractable guide features for data storage device carriers Jan 23, 15 Jan 16, 18 [G11B, G06F, H05K]
9870806 Hermetic sealing with high-speed transmission for hard disk drive Jan 13, 17 Jan 16, 18 [H01R, G11B]
9871882 Optimized N-stream sequential media playback caching method and system Jan 02, 14 Jan 16, 18 [H04L, G06F]
9864529 Host compatibility for host managed storage media Jan 27, 15 Jan 09, 18 [G06F]
9864781 Search of NAS data through association of errors Dec 06, 13 Jan 09, 18 [G06F]
9865284 Fabrication process for slider with extended three-dimensional air-bearing surface May 25, 16 Jan 09, 18 [B24B, B29L, G11B, B22F, B29C, B33Y, B28B]
9865286 Tape array electrical lapping guide design for small stripe TMR sensor May 31, 16 Jan 09, 18 [G11B]
9866634 Managing and accessing data storage systems Sep 26, 14 Jan 09, 18 [H04L, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0219,337 CONDENSATION-ASSISTED METROLOGY ABAN Jan 28, 16 Aug 03, 17 [G01B]
2017/0221,511 REDUCING CARBONACEOUS SMEAR AT THE NFT AREA ON HAMR HEAD ABAN Aug 10, 16 Aug 03, 17 [G11B]
2017/0213,572 DETECTION OF READ-WRITE HEAD TOUCHDOWN USING HEAD ACTUATOR ABAN May 25, 16 Jul 27, 17 [G11B]
2017/0160,771 ENHANCED FAN CONTROL IN DATA STORAGE ENCLOSURES ABAN Dec 03, 15 Jun 08, 17 [G06F]
2017/0153,842 DATA ALLOCATION IN HARD DRIVES ABAN Dec 01, 15 Jun 01, 17 [G11B, G06F]
2017/0147,045 METHOD AND SYSTEM FOR REMOVING HEAT FROM MULTIPLE CONTROLLERS ON A CIRCUIT BOARD ABAN Feb 08, 17 May 25, 17 [G06F, H05K]
2017/0125,067 GAS LEAK DETECTION IN DATA STORAGE DEVICE ABAN Oct 28, 15 May 04, 17 [G11B, G01N]
2017/0117,027 TOP PINNED SOT-MRAM ARCHITECTURE WITH IN-STACK SELECTOR ABAN Oct 21, 15 Apr 27, 17 [G11C, H01L]
2017/0097,877 VARIED STORAGE MEDIA DENSITY FOR DATA STORAGE DEVICES IN VIBRATIONAL ENVIRONMENTS ABAN Oct 05, 15 Apr 06, 17 [G06F]
2017/0092,303 SCISSOR TYPE MAGNETIC SENSOR HAVING AN IN-STACK LONGITUDINAL STABILIZATION STRUCTURE ABAN Sep 30, 15 Mar 30, 17 [G11B]
2017/0092,310 DATA STORAGE DEVICE CONCURRENTLY CONTROLLING AND SENSING A SECONDARY ACTUATOR FOR ACTUATING A HEAD OVER A DISK ABAN Aug 24, 16 Mar 30, 17 [G11B]
2017/0092,576 CONTACTING NANO-IMPRINTED CROSS-POINT ARRAYS TO A SUBSTRATE ABAN Sep 29, 15 Mar 30, 17 [H01L]
2017/0062,018 Control Of Vortex Shedding Associated With A Hard Disk Drive Damper Plate ABAN Aug 27, 15 Mar 02, 17 [G11B]
2017/0047,088 NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING WITH TRAILING EDGE TAPER AND SIDE TAPER ABAN Aug 13, 15 Feb 16, 17 [G11B]
2017/0017,405 SYSTEMS AND METHODS FOR IMPROVING FLASH-ORIENTED FILE SYSTEM GARBAGE COLLECTION ABAN Jul 14, 15 Jan 19, 17 [G06F]
2017/0018,285 BARIUM HEXA-FERRITE TECHNOLOGY FOR MAMR AND ADVANCED MAGNETIC RECORDING APPLICATIONS ABAN Jul 14, 15 Jan 19, 17 [G11B]
2017/0011,778 Solvent-Based Mitigating Of Organic Contaminants In A Hard Disk Drive ABAN Jul 08, 15 Jan 12, 17 [B08B, G11B, C11D]
2017/0004,853 IMPLEMENTING ENHANCED IN-SITU MONITORING OF HEAD OVERCOAT WEAR FOR CONTROLLED BURNISHING AND EARLY DETECTION OF HEAD FAILURE IN HDD ABAN Jul 02, 15 Jan 05, 17 [G11B]
2016/0363,972 TEMPERATURE CONTROL OF STORAGE ARRAYS WITH ROTATING MEDIA SEEK ADJUSTMENTS ABAN Jun 12, 15 Dec 15, 16 [G05B, G06F]
2016/0365,102 Conforming Fence For Vacuum Support Machining Operations ABAN Jun 10, 15 Dec 15, 16 [G11B, B26D]

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