HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.

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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 8668
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 7440
 
  
 
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 489
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2109
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
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 MATERIALS159
 
  
 
C10M LUBRICATING COMPOSITIONS 148

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9202504 Producing a magnetic disk deviceOct 22, 10Dec 01, 15[G11B]
8862856 Implementing remapping command with indirection update for indirected storageApr 09, 12Oct 14, 14[G06F]
8739391 Silver alloy electrical lapping guides (ELGs) for fabrication of disk drive sliders with magnetoresistive sensorsSep 21, 11Jun 03, 14[B23P, G11C]
8743511 CPP-GMR sensor with corrosion resistent spacer layer and higher signal/noise ratioAug 31, 11Jun 03, 14[G11B]
8654472 Implementing enhanced fragmented stream handling in a shingled disk driveNov 29, 11Feb 18, 14[G11B]
8638527 Signaling method and apparatus for write assist of high coercivity media using integrated half coilOct 16, 09Jan 28, 14[G11B]
8630060 Thermally enabled exchange coupled media for magnetic data recordingMar 09, 12Jan 14, 14[G11B]
8570686 Magnetic recording head with non-conformal side shield gapMar 13, 12Oct 29, 13[G11B]
8559121 System, method and apparatus for shingled magnetic recording in disk drivesDec 28, 11Oct 15, 13[G11B]
8427776 Reducing air flow exposure to conductive components of a hard disk driveDec 29, 10Apr 23, 13[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0002,927 WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING PERFORMANCEAbandonedJun 28, 12Jan 02, 14[G11B]
8617644 Method for making a current-perpendicular-to-the-plane (CPP) magnetoresistive sensor containing a ferromagnetic alloy requiring post-deposition annealingExpiredMar 08, 12Dec 31, 13[G11B]
8576407 Contactless optical glide head using at least two concurrent interference signals and a multi-channel light detector for detecting disk asperitiesExpiredDec 22, 09Nov 05, 13[G01B]
2013/0279,045 MAGNETIC HEAD HAVING A CONTACT DETECTION SENSORAbandonedApr 19, 12Oct 24, 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 DRIVEAbandonedMar 30, 12Oct 03, 13[B23K]
2013/0081,937 BIT PATTERNED MAGNETIC MEDIA FABRICATED BY TEMPLATED GROWTH FROM A PRINTED TOPOGRAPHIC PATTERNAbandonedFeb 09, 12Apr 04, 13[C23C, C01B, B01J]
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 ANNEALINGAbandonedSep 13, 11Mar 14, 13[B05D]
2012/0162,821 WRITE HEAD WITH ROTATIONAL WRITE FIELDAbandonedDec 27, 10Jun 28, 12[G11B]
2012/0044,595 PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND MAGNETIC STORAGE SYSTEMS USING THE SAMEAbandonedAug 23, 10Feb 23, 12[G11B]
2012/0012,554 SYSTEM AND METHOD OF FABRICATING MEDIAAbandonedJul 15, 10Jan 19, 12[C23C]
2011/0089,140 PROCESS FOR FABRICATING ULTRA-NARROW TRACK WIDTH MAGNETIC SENSORAbandonedOct 16, 09Apr 21, 11[B44C]
2010/0326,819 METHOD FOR MAKING A PATTERNED PERPENDICULAR MAGNETIC RECORDING DISKAbandonedJun 24, 09Dec 30, 10[B44C]
2010/0147,797 SYSTEM AND METHOD FOR PATTERNING A MASTER DISK FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKSAbandonedFeb 24, 10Jun 17, 10[C23F]
2010/0142,344 METHOD FOR DIRECT HEAD-DISK CLEARANCE MEASUREMENT BY SLIDER VIBRATION AND FLY HEIGHT CALIBRATIONAbandonedFeb 22, 10Jun 10, 10[G11B]
2010/0134,911 MULTI-PARAMETER OPTIMIZATION OF WRITE HEAD PERFORMANCE USING ADAPTIVE RESPONSE SURFACEAbandonedDec 02, 08Jun 03, 10[G11B]
2010/0073,813 PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A CAP LAYER FORMED FROM A CoPtCr ALLOYAbandonedSep 19, 08Mar 25, 10[B05D, G11B]
2010/0020,443 Creation of mirror-image patterns by imprint and image tone reversalAbandonedJul 22, 08Jan 28, 10[G11B]
7644192 Analyzing the behavior of a storage systemExpiredAug 25, 06Jan 05, 10[G06F]
2009/0300,907 Method for manufacturing magnetic disk unitAbandonedNov 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)AbandonedApr 10, 08Oct 15, 09[G03F, B32B]

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