HEADWAY TECHNOLOGIES, INC.

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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 55214
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 201189
 
  
 
G11C STATIC STORES 7088
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 48111
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 3054
 
  
 
B82Y SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES2728
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 14192
 
  
 
B44C PRODUCING DECORATIVE EFFECTS 1321
 
  
 
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 1289
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 744

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0333,254 Reduction of Barrier Resistance X Area (RA) Product and Protection of Perpendicular Magnetic Anisotropy (PMA) for Magnetic Device ApplicationsMay 15, 14Nov 19, 15[H01L]
2014/0306,303 Seed Layer for Perpendicular Magnetic Anisotropy (PMA) Thin FilmApr 16, 13Oct 16, 14[H01L]
2010/0191,896 Solid state drive controller with fast NVRAM buffer and non-volatile tablesJan 23, 09Jul 29, 10[G06F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9910107 Patterned magnetoresistive (MR) device with adjacent flux absorbing stripesOct 29, 15Mar 06, 18[B82Y, G11B, G01R, H01F]
9892746 ABS design with soft bumper pads (SBP) for mitigating media damage and thermal erasure in hard disk drives (HDD)Feb 14, 17Feb 13, 18[H01L, G11B]
9887350 MTJ etching with improved uniformity and profile by adding passivation stepMay 31, 15Feb 06, 18[H01L]
9880473 Surface treatment method for dielectric anti-reflective coating (DARC) to shrink photoresist critical dimension (CD)Jun 22, 16Jan 30, 18[G03C, G03F]
9871195 Spacer assisted ion beam etching of spin torque magnetic random access memoryMar 22, 17Jan 16, 18[H01L]
9865321 Spin transfer MRAM device with reduced coefficient of MTJ resistance variationJul 22, 16Jan 09, 18[G11C]
9852752 Plasmon generator with metallic waveguide blocker for TAMRAug 12, 16Dec 26, 17[G11B]
9842988 Magnetic tunnel junction with low defect rate after high temperature anneal for magnetic device applicationsJul 20, 15Dec 12, 17[H01L, H01F, G11C]
9824702 Magnetic head for perpendicular magnetic recording with a coil including a first winding portion of one turn and a second winding portion of less than one turnJun 08, 17Nov 21, 17[G11B]
9812156 Thermally-assisted magnetic recording head including a main pole and a plasmon generatorJan 20, 15Nov 07, 17[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8685343 Microfluidic detection of analytesWithdrawnJun 28, 12Apr 01, 14[G01N]
2014/0061,827 Metal Protection Layer over SiN Encapsulation for Spin-Torque MRAM Device ApplicationsAbandonedAug 29, 12Mar 06, 14[H01L]
2013/0089,675 CPP Device with Improved Current Confining Structure and ProcessAbandonedDec 01, 12Apr 11, 13[G11B]
2012/0235,258 TMR Device with Improved MgO BarrierAbandonedMay 29, 12Sep 20, 12[H01L]
8230577 Method of making a sensing unitWithdrawnMar 04, 10Jul 31, 12[G01R]
2012/0188,666 MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A MAIN POLE AND A SHIELDAbandonedJan 26, 11Jul 26, 12[G11B]
2012/0145,551 Electroplated Magnetic Film for Read-Write ApplicationsAbandonedFeb 20, 12Jun 14, 12[C23C, C25D]
2012/0008,236 PMR with improved writability and process controllability by double layer patterningAbandonedSep 15, 11Jan 12, 12[G11B]
2011/0318,608 TMR device with novel pinned layerAbandonedJun 29, 10Dec 29, 11[B05D, G11B]
8056214 Method of manufacturing magnetic head for perpendicular magnetic recording including two side shieldsExpiredAug 19, 09Nov 15, 11[H04R, G11B]
7978432 Thin-film magnetic head structureExpiredSep 22, 08Jul 12, 11[G11B]
7943288 Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic headExpiredSep 23, 08May 17, 11[G11B]
7940495 Magnetic head for perpendicular magnetic recordingExpiredOct 13, 06May 10, 11[G11B]
2011/0094,888 Rejuvenation method for ruthenium plating seedAbandonedOct 26, 09Apr 28, 11[C25D]
7921544 Method of manufacturing a thin film magnetic head structureExpiredApr 07, 08Apr 12, 11[H04R, G11B]
2011/0076,853 Novel process method for post plasma etch treatmentAbandonedSep 28, 09Mar 31, 11[H01L]
2010/0315,869 Spin torque transfer MRAM design with low switching currentAbandonedJun 15, 09Dec 16, 10[H01L, G11C]
2010/0302,838 Read disturb-free SMT reference cell schemeAbandonedMay 26, 09Dec 02, 10[H01L, G11C]
2010/0153,633 PC architecture using fast NV RAM in main memoryAbandonedDec 11, 08Jun 17, 10[G06F]
2010/0110,585 Perpendicular magnetic recording write head with a trailing shieldAbandonedNov 03, 08May 06, 10[G11B]

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