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 13352
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 10412
 
 
 
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 579
 
 
 
B44C PRODUCING DECORATIVE EFFECTS 529
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 482
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4335
 
 
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 366
 
 
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 3107
 
 
 
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 293
 
 
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS296

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0155,543 PATTERNED MAGNETIC RECORDING MEDIA AND METHODS OF PRODUCTION THEREOF UTILIZING CRYSTAL ORIENTATION CONTROL TECHNOLOGYDec 15, 11Jun 20, 13[G11B, B05D]
2013/0070,366 MAGNETIC RECORDING HEAD WITH LOW-WEAR PROTECTIVE FILM HAVING HYDROGEN AND/OR WATER VAPOR THEREINSep 21, 11Mar 21, 13[C23C, G11B, B05D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,202,504 Producing a magnetic disk deviceOct 22, 10Dec 01, 15[G11B]
9,177,111 Systems and methods for protecting softwareNov 14, 06Nov 03, 15[G06F]
8,862,856 Implementing remapping command with indirection update for indirected storageApr 09, 12Oct 14, 14[G06F]
8,760,779 Energy-assisted magnetic recording head and systems thereof with environmental conditions controlDec 30, 11Jun 24, 14[G11B]
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]
8,659,849 Hermetically resealable hard-disk drive configured for recharging with a low-density gasDec 29, 11Feb 25, 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]

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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 PERFORMANCEABANJun 28, 12Jan 02, 14[G11B]
2013/0279,045 MAGNETIC HEAD HAVING A CONTACT DETECTION SENSORABANApr 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 DRIVEABANMar 30, 12Oct 03, 13[B23K]
2013/0081,937 BIT PATTERNED MAGNETIC MEDIA FABRICATED BY TEMPLATED GROWTH FROM A PRINTED TOPOGRAPHIC PATTERNABANFeb 09, 12Apr 04, 13[C23C, B01J, C01B]
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 ANNEALINGABANSep 13, 11Mar 14, 13[B05D]
2013/0020,204 MAGNETIC WRITE HEAD HAVING AN ELECTROPLATED WRITE POLE WITH A LEADING EDGE TAPERABANJul 20, 11Jan 24, 13[C23F, G11B, C25D]
2012/0162,821 WRITE HEAD WITH ROTATIONAL WRITE FIELDABANDec 27, 10Jun 28, 12[G11B]
2012/0044,595 PERPENDICULAR MAGNETIC RECORDING MEDIUM (PMRM) AND MAGNETIC STORAGE SYSTEMS USING THE SAMEABANAug 23, 10Feb 23, 12[G11B]
2012/0012,554 SYSTEM AND METHOD OF FABRICATING MEDIAABANJul 15, 10Jan 19, 12[C23C]
2011/0089,140 PROCESS FOR FABRICATING ULTRA-NARROW TRACK WIDTH MAGNETIC SENSORABANOct 16, 09Apr 21, 11[B44C]
2010/0326,819 METHOD FOR MAKING A PATTERNED PERPENDICULAR MAGNETIC RECORDING DISKABANJun 24, 09Dec 30, 10[B44C]
2010/0147,797 SYSTEM AND METHOD FOR PATTERNING A MASTER DISK FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKSABANFeb 24, 10Jun 17, 10[C23F]
2010/0142,344 METHOD FOR DIRECT HEAD-DISK CLEARANCE MEASUREMENT BY SLIDER VIBRATION AND FLY HEIGHT CALIBRATIONABANFeb 22, 10Jun 10, 10[G11B]
2010/0134,911 MULTI-PARAMETER OPTIMIZATION OF WRITE HEAD PERFORMANCE USING ADAPTIVE RESPONSE SURFACEABANDec 02, 08Jun 03, 10[G11B]
2010/0073,813 PERPENDICULAR MAGNETIC RECORDING MEDIA HAVING A CAP LAYER FORMED FROM A CoPtCr ALLOYABANSep 19, 08Mar 25, 10[G11B, B05D]
2010/0020,443 Creation of mirror-image patterns by imprint and image tone reversalABANJul 22, 08Jan 28, 10[G11B]
2009/0300,907 Method for manufacturing magnetic disk unitABANNov 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)ABANApr 10, 08Oct 15, 09[G03F, B32B]
2009/0244,769 Scheme to protect media and head against corrosion/oxidation in a hard disk driveABANMar 31, 08Oct 01, 09[G11B]
2009/0204,356 Testing/adjusting method and test control apparatus for rotating disk storage devicesABANApr 10, 09Aug 13, 09[G06F]

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