SAE MAGNETICS (H.K.) LTD.

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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 24732
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 35327
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 22183
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 1452
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 12147
 
  
 
H01S DEVICES USING STIMULATED EMISSION1082
 
  
 
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 984
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 7440
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 6150
 
  
 
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 497

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0316,798 Thin Film Magnetic Head, Head Gimbals Assembly, Head Arm Assembly, And Magnetic Disk UnitApr 28, 16Nov 02, 17[G11B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9896584 Article coated with DLC and manufacturing method thereofMay 26, 15Feb 20, 18[C23C, C09D]
9899046 Method of testing anti-high temperature performance of a magnetic head and apparatus thereofApr 29, 11Feb 20, 18[G11B, G01R]
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]
9851517 Micro optical engine assemblyFeb 22, 17Dec 26, 17[G02B]
9852755 Thin film magnetic head, head gimbals assembly, head arm assembly, and magnetic disk unitApr 28, 16Dec 26, 17[G11B]
9848496 Electronic component module and manufacturing method thereofDec 22, 15Dec 19, 17[H05K]
9840767 Manufacturing method for a head slider coated with DLCApr 04, 16Dec 12, 17[C23C]
9841609 Assembly methods of a SMA assembly and an OIS deviceJun 28, 16Dec 12, 17[B23K, G02B, G03B]
9788419 Edge fingers of multi-layer printed circuit boardNov 05, 15Oct 10, 17[H01R, H05K]
9778786 Optical finger navigation module for extreme temperature operation and method for increasing life time of OFN moduleMar 21, 16Oct 03, 17[G01K, G06F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0284,370 THERMALLY-ASSISTED MAGNETIC RECORDING HEAD HAVING SEMICONDUCTOR SURFACE EMITTING LASER, AND HEAD GIMBAL ASSEMBLY AND DISK DRIVE UNIT WITH THE SAMEAbandonedMar 26, 15Sep 29, 16[G11B]
2015/0348,953 OPTOELECTRONIC PACKAGE AND METHOD FOR MAKING SAMEAbandonedAug 07, 15Dec 03, 15[H01L]
2015/0015,990 HEAD STACK ASSEMBLY, HARD DISK DRIVE, AND METHOD OF CONNECTING A HEAD GIMBAL ASSEMBLY TO A FLEXIBLE PRINTED CIRCUIT ASSEMBLY IN A HEAD STACK ASSEMBLYAbandonedSep 10, 13Jan 15, 15[G11B]
8471579 Method of measuring slider resistance of different types of row bar with a common testerExpiredAug 20, 10Jun 25, 13[G01R]
2013/0139,378 METHOD OF MANUFACTURING THERMALLY-ASSISTED MAGNETIC RECORDING HEAD AND ALIGNMENT APPARATUSAbandonedDec 01, 11Jun 06, 13[B23P, G11B]
2013/0070,364 THIN FILM MAGNETIC HEAD AND MANUFACTURING METHOD THEREOFAbandonedSep 15, 11Mar 21, 13[G11B]
8400732 Perpendicular magnetic write head, having side shields coupled to a leading shield and apart from a trailing shieldExpiredNov 08, 07Mar 19, 13[G11B]
8339737 Perpendicular magnetic recording head including non-magnetic protruding layerExpiredJun 12, 09Dec 25, 12[G11B]
2012/0306,487 ELECTRICAL CURRENT SENSING CIRCUIT, PRINTED CIRCUIT BOARD ASSEMBLY AND ELECTRICAL CURRENT SENSOR DEVICE WITH THE SAMEAbandonedSep 26, 11Dec 06, 12[G01R]
8264796 Suspension for releasing thermal deformation thereof and suppressing thermal crown change of a slider mounted thereon, head gimbal assembly and disk drive unit with sameExpiredOct 30, 07Sep 11, 12[G11B]
8225655 Altitude sensing systems for flying height adjustmentExpiredDec 18, 07Jul 24, 12[G01L]
8208223 Dimple forming apparatus and dimple forming methodExpiredJun 29, 09Jun 26, 12[G11B]
8194359 Piezoelectric element having etched portion to form stepped recesses between layers and manufacturing method thereof, head gimbal assembly, and disk drive device with the sameExpiredMay 21, 08Jun 05, 12[H01L, G11B]
8169745 Head gimbal assembly having balanced weight, and disk drive unit with the sameExpiredJul 25, 07May 01, 12[G11B]
8159786 Suspension with locally strengthened integrated trace connectionsExpiredJul 31, 08Apr 17, 12[G11B]
8159790 Method and apparatus for the prevention of electrostatic discharge (ESD) by a hard drive magnetic head involving the utilization of anisotropic conductive paste (ACP) in the securement to a head-gimbal assembly (HGA)ExpiredJul 26, 02Apr 17, 12[G11B]
2012/0082,178 Vertical cavity surface emitting laser and method for manufacturing the sameAbandonedDec 08, 10Apr 05, 12[H01L, H01S]
8125735 Vibration sensor, suspension, head gimbal assembly and manufacturing method thereof, and disk drive unit including the sameExpiredApr 14, 09Feb 28, 12[G11B]
8120881 Head gimbal assembly and manufacturing method thereof, and disk drive device with the sameExpiredJun 13, 08Feb 21, 12[G11B]
2012/0036,706 Row bar for forming sliders and method of manufacturing sliderAbandonedNov 16, 10Feb 16, 12[B23P, G11B]

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