HEADWAY TECHNOLOGIES, INC.
Patent Owner
Stats
- 809 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- Mar 06, 2018 most recent publication
Details
- 809 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 21,883 Total Citation Count
- Mar 27, 1996 Earliest Filing
- 340 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
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]
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]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
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]
2012/0188,666 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]
8056214 Method of manufacturing magnetic head for perpendicular magnetic recording including two side shieldsExpiredAug 19, 09Nov 15, 11[H04R, G11B]
7943288 Thin-film magnetic head structure, method of manufacturing the same, and thin-film magnetic headExpiredSep 23, 08May 17, 11[G11B]
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]
2010/0110,585 Perpendicular magnetic recording write head with a trailing shieldAbandonedNov 03, 08May 06, 10[G11B]
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