HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 8468
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 6322
 
 
 
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 459
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4266
 
 
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 351
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 269
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2126
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 295
 
 
 
C10M LUBRICATING COMPOSITIONS 139
 
 
 
C11B PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES 17

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0002,927 WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING PERFORMANCEJun 28, 12Jan 02, 14[G11B]
2013/0342,937 PERPENDICULAR MAGNETIC RECORDING HEAD HAVING A MAIN POLE AND A SUB-POLEJun 21, 12Dec 26, 13[G11B]
2013/0308,228 READ SENSOR HAVING A STRUCTURE FOR REDUCING MAGNETIC COUPLING BETWEEN A MAGNETIC BIAS LAYER AND AN UPPER MAGNETIC SHIELDMay 15, 12Nov 21, 13[B23P, G11B]
2013/0284,693 DIFFERENTIATED LIFTOFF PROCESS FOR ULTRA-SHALLOW MASK DEFINED NARROW TRACKWIDTH MAGNETIC SENSORApr 27, 12Oct 31, 13[G11B]
2013/0279,045 MAGNETIC HEAD HAVING A CONTACT DETECTION SENSORApr 19, 12Oct 24, 13[G11B]
2013/0268,718 IMPLEMENTING REMAPPING COMMAND WITH INDIRECTION UPDATE FOR INDIRECTED STORAGEApr 09, 12Oct 10, 13[G06F]
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]
2013/0242,431 MAGNETIC RECORDING HEAD WITH NON-CONFORMAL SIDE SHIELD GAPMar 13, 12Sep 19, 13[G11B]
2013/0235,491 THERMALLY ENABLED EXCHANGE COUPLED MEDIA FOR MAGNETIC DATA RECORDINGMar 09, 12Sep 12, 13[G11B, B32B, B82Y]
2013/0236,639 METHOD FOR MAKING A CURRENT-PERPENDICULAR-TO-THE-PLANE (CPP) MAGNETORESISTIVE SENSOR CONTAINING A FERROMAGNETIC ALLOY REQUIRING POST-DEPOSITION ANNEALINGMar 08, 12Sep 12, 13[G11B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
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]
8,427,776 Reducing air flow exposure to conductive components of a hard disk driveDec 29, 10Apr 23, 13[G11B]
8,411,390 Integrated half coil structure for write assist of high coercivity mediaOct 16, 09Apr 02, 13[G11B]
8,379,352 Thermagnonic spin-torque oscillator(STO) and sensor utilizing same to detect shifts in the free layer magnetization oscillation frequencySep 08, 11Feb 19, 13[G11B, G11C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
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]
2010/0147,797 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]
2009/0172,335 FLASH DEVICES WITH RAIDDec 31, 07Jul 02, 09[G11C]
7,554,055 Method for making ohmic contact to silicon structures with low thermal loadsMay 03, 05Jun 30, 09[B23K, H01L]
2009/0161,269 MAGNETORESISTIVE SENSOR HAVING AN ENHANCED FREE LAYER STABILIZATION MECHANISMDec 21, 07Jun 25, 09[G11B]
7,550,695 Method for manufacturing a magnetic disk device with improved head gimbal assemblySep 15, 05Jun 23, 09[G11B, B23K]
2009/0155,627 DISCRETE TRACK MEDIA WITH A CAPPED MEDIA STRUCTURE HAVING HIGH MOMENT AND EXCHANGEDec 14, 07Jun 18, 09[G11B]

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