HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Patent Owner
Stats
- 1,325 total patents issued
- 743 Total Apps Published
- Apr 23, 2013 most recent publication
Details
- 1,325 Issued Patents
- 15 Issued in last 3 years
- 38 Published in last 3 years
- 17,789 Total Citation Count
- Jan 10, 1983 Earliest Filing
- 1,171 Expired/Abandoned/Withdrawn Patents
Technologies
Intl Class
Technology
# of Patents
Rank
Top Patents (by citation)
Patent #
Title
Filing Date
Issue Date
Intl Class
Cited #
5,410,439 Disk file with clearance and glide measurement and early head crash warningFeb 22, 94Apr 25, 95[G11B]100
5,412,519 Optimization of disk drive spindle speed during low power modeAug 26, 93May 02, 95[G11B]58
5,200,867 Transducer carrier for disk file with liquid film head-disk interfaceJul 02, 91Apr 06, 93[G11B]58
5,285,337 Liquid-bearing data recording disk file with transducer carrier having support strutsApr 30, 92Feb 08, 94[G11B]50
5,341,118 Multilayer magnetic structure wherein the magnitude of the structure magnetoresistance is a function of nonmagnetic layer thicknessMay 06, 93Aug 23, 94[H01L]47
Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2013/0081,937 BIT PATTERNED MAGNETIC MEDIA FABRICATED BY TEMPLATED GROWTH FROM A PRINTED TOPOGRAPHIC PATTERNFeb 09, 12Apr 04, 13[C23C, B01J, C01B]
2013/0068,719 METHOD USING BLOCK COPOLYMERS AND A HARD ELECTROPLATED MASK FOR MAKING A MASTER DISK FOR NANOIMPRINTING PATTERNED MAGNETIC RECORDING DISKSSep 19, 11Mar 21, 13[H01B, G11B, C25D]
2013/0070,371 SILVER ALLOY ELECTRICAL LAPPING GUIDES (ELGs) FOR FABRICATION OF DISK DRIVE SLIDERS WITH MAGNETORESISTIVE SENSORSSep 21, 11Mar 21, 13[G11B, H05K]
2013/0063,841 THERMAGNONIC SPIN-TORQUE OSCILLATOR(STO) AND SENSOR UTILIZING SAME TO DETECT SHIFTS IN THE FREE LAYER MAGNETIZATION OSCILLATION FREQUENCYSep 08, 11Mar 14, 13[G11B, H01L]
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]
2013/0052,484 CPP-GMR SENSOR WITH CORROSION RESISTENT SPACER LAYER AND HIGHER SIGNAL/NOISE RATIOAug 31, 11Feb 28, 13[G11B, B05D]
2013/0033,777 SYSTEM AND METHOD OF SYNCHRONIZED WRITING ON BIT PATTERNED MEDIA WITH READ-WRITE OFFSETAug 05, 11Feb 07, 13[G11B]
2013/0026,131 Method For Manufacturing Wraparound Shield Write Head Using Hard MasksJul 28, 11Jan 31, 13[G11B]
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
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]
8,339,739 Thermally assisted recording head with near field transducer having integral heatsinkAug 31, 10Dec 25, 12[G11B]
Top Inventors for This Owner
Inventor Name
Address
# of Patent/Pub
