HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 9364
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 7383
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 573
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4316
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 390
 
 
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 359
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2135
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2104
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 157
 
 
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS146

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0342,937 PERPENDICULAR MAGNETIC RECORDING HEAD HAVING A MAIN POLE AND A SUB-POLEJun 21, 12Dec 26, 13[G11B]
2013/0284,693 DIFFERENTIATED LIFTOFF PROCESS FOR ULTRA-SHALLOW MASK DEFINED NARROW TRACKWIDTH MAGNETIC SENSORApr 27, 12Oct 31, 13[G11B]
2013/0256,281 SOLDER-JET NOZZLE, LASER-SOLDERING TOOL, AND METHOD, FOR LASERSOLDERING HEAD-CONNECTION PADS OF A HEAD-STACK ASSEMBLY FOR A HARD-DISK DRIVEMar 30, 12Oct 03, 13[B23K]
2013/0170,075 SYSTEM, METHOD AND APPARATUS FOR MAGNETIC MEDIA WITH A NON-CONTINUOUS METALLIC SEED LAYERDec 28, 11Jul 04, 13[G11B]
2013/0064,971 METHOD FOR MAKING A CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE (MR) SENSOR WITH AN ANTIPARALLEL FREE (APF) STRUCTURE FORMED OF AN ALLOY REQUIRING POST-DEPOSITION HIGH TEMPERATURE ANNEALINGSep 13, 11Mar 14, 13[B05D]
2012/0044,595 PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND MAGNETIC STORAGE SYSTEMS USING THE SAMEAug 23, 10Feb 23, 12[G11B]
2011/0094,091 PRODUCING A MAGNETIC DISK DEVICEOct 22, 10Apr 28, 11[G11B]
2009/0196,488 DENSITY MULTIPLICATION AND IMPROVED LITHOGRAPHY BY DIRECTED BLOCK COPOLYMER ASSEMBLYDec 05, 08Aug 06, 09[G06K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,862,856 Implementing remapping command with indirection update for indirected storageApr 09, 12Oct 14, 14[G06F]
8,739,391 Silver alloy electrical lapping guides (ELGs) for fabrication of disk drive sliders with magnetoresistive sensorsSep 21, 11Jun 03, 14[B23P, G11C]
8,743,511 CPP-GMR sensor with corrosion resistent spacer layer and higher signal/noise ratioAug 31, 11Jun 03, 14[G11B]
8,654,472 Implementing enhanced fragmented stream handling in a shingled disk driveNov 29, 11Feb 18, 14[G11B]
8,638,527 Signaling method and apparatus for write assist of high coercivity media using integrated half coilOct 16, 09Jan 28, 14[G11B]
8,630,060 Thermally enabled exchange coupled media for magnetic data recordingMar 09, 12Jan 14, 14[G11B]
8,617,644 Method for making a current-perpendicular-to-the-plane (CPP) magnetoresistive sensor containing a ferromagnetic alloy requiring post-deposition annealingMar 08, 12Dec 31, 13[G11B]
8,576,407 Contactless optical glide head using at least two concurrent interference signals and a multi-channel light detector for detecting disk asperitiesDec 22, 09Nov 05, 13[G01B]
8,570,686 Magnetic recording head with non-conformal side shield gapMar 13, 12Oct 29, 13[G11B]
8,559,121 System, method and apparatus for shingled magnetic recording in disk drivesDec 28, 11Oct 15, 13[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2014/0002,927 WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING PERFORMANCEJun 28, 12Jan 02, 14[G11B]
2013/0279,045 MAGNETIC HEAD HAVING A CONTACT DETECTION SENSORApr 19, 12Oct 24, 13[G11B]
2013/0081,937 BIT PATTERNED MAGNETIC MEDIA FABRICATED BY TEMPLATED GROWTH FROM A PRINTED TOPOGRAPHIC PATTERNFeb 09, 12Apr 04, 13[C23C, B01J, C01B]
2012/0162,821 WRITE HEAD WITH ROTATIONAL WRITE FIELDDec 27, 10Jun 28, 12[G11B]
2012/0012,554 SYSTEM AND METHOD OF FABRICATING MEDIAJul 15, 10Jan 19, 12[C23C]
2011/0089,140 PROCESS FOR FABRICATING ULTRA-NARROW TRACK WIDTH MAGNETIC SENSOROct 16, 09Apr 21, 11[B44C]
2010/0326,819 METHOD FOR MAKING A PATTERNED PERPENDICULAR MAGNETIC RECORDING DISKJun 24, 09Dec 30, 10[B44C]
2010/0147,797 SYSTEM AND METHOD FOR PATTERNING A MASTER DISK FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKSFeb 24, 10Jun 17, 10[C23F]
2010/0142,344 METHOD FOR DIRECT HEAD-DISK CLEARANCE MEASUREMENT BY SLIDER VIBRATION AND FLY HEIGHT CALIBRATIONFeb 22, 10Jun 10, 10[G11B]
2010/0134,911 MULTI-PARAMETER OPTIMIZATION OF WRITE HEAD PERFORMANCE USING ADAPTIVE RESPONSE SURFACEDec 02, 08Jun 03, 10[G11B]
2010/0073,813 PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A CAP LAYER FORMED FROM A CoPtCr ALLOYSep 19, 08Mar 25, 10[G11B, B05D]
2010/0020,443 Creation of mirror-image patterns by imprint and image tone reversalJul 22, 08Jan 28, 10[G11B]
2009/0300,907 Method for manufacturing magnetic disk unitNov 26, 08Dec 10, 09[G11B]
2009/0258,186 WAFER-LEVEL METHOD FOR FABRICATING AN OPTICAL CHANNEL AND APERTURE STRUCTURE IN MAGNETIC RECORDING HEAD SLIDERS FOR USE IN THERMALLY-ASSISTED RECORDING (TAR)Apr 10, 08Oct 15, 09[G03F, B32B]
2009/0244,769 Scheme to protect media and head against corrosion/oxidation in a hard disk driveMar 31, 08Oct 01, 09[G11B]
2009/0204,356 Testing/adjusting method and test control apparatus for rotating disk storage devicesApr 10, 09Aug 13, 09[G06F]
2009/0165,824 Cleaning apparatus for cleaning component part of magnetic disk drive and cleaning method of cleaning component part of magnetic disk driveDec 15, 08Jul 02, 09[B08B]
2009/0167,537 MINIMIZING ELECTRICAL OUTLET SAFETY FAILURES DUE TO OVER TEMPERATURE CONDITIONDec 28, 07Jul 02, 09[G08B]
2009/0168,235 ENHANCED CPP READ SENSORS WITH LATERAL SPIN TRANSPORTDec 27, 07Jul 02, 09[G11B]
2009/0172,244 HIERARCHICAL SECONDARY RAID STRIPE MAPPINGDec 31, 07Jul 02, 09[G06F]

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