TOSHIBA STORAGE DEVICE CORPORATION

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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 9861
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 10437
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 497
 
  
 
G11C STATIC STORES 3148
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 3104
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 285
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 247
 
  
 
H03K PULSE TECHNIQUE 2129
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 2109
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7198873 Lithographic processing optimization based on hypersampled correlationsNov 18, 03Apr 03, 07[G03F]
6556366 Bimodal biasing of magneto resistive headsAug 30, 01Apr 29, 03[G11B]
6246538 Magnetic disk drive with a floating head slider having projections arranged to float at a greater distance from magnetic disk than slider trailing endOct 14, 97Jun 12, 01[G11B]
6141168 Automatic calibration method, read apparatus and storage apparatusDec 05, 95Oct 31, 00[G11B]
6137646 Disk apparatus using coincidence detection to generate variable sector pulsesJun 10, 97Oct 24, 00[G11B]
6120694 Head slider with projecting arranged on rails thereofSep 18, 98Sep 19, 00[B05D, G11B, B44C]
6064550 Head actuator with dual drive meansMar 18, 98May 16, 00[G11B]
6052245 Signal regenerating apparatus having asymmetrical signal detection circuit for detecting amplitude error and signal offset from a training signal and correcting sameApr 09, 98Apr 18, 00[G11B]
6043945 Recording/reproducing device and method of replacing defective sector on mediaSep 23, 97Mar 28, 00[G06F, G11D, G11C]
6025973 Construction for attaching a disk in a disk driveDec 17, 98Feb 15, 00[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8111475 Magnetic recording medium and magnetic recording apparatusExpiredJan 27, 10Feb 07, 12[G11B]
8065477 Disk apparatus and advance data reading methodExpiredMar 23, 09Nov 22, 11[G06F]
8000054 Control device, control method, and information storage apparatusExpiredJul 21, 09Aug 16, 11[G11B]
7933086 Power supply voltage supply circuit and disk apparatusExpiredNov 19, 08Apr 26, 11[G11B]
7916417 Magnetic disk apparatus and recording methodExpiredJun 24, 09Mar 29, 11[G11B]
7903365 Magnetic storage device and contact detection methodExpiredJun 02, 09Mar 08, 11[G11B]
7895733 Screwing apparatus and method of controlling screwing operationExpiredJul 01, 09Mar 01, 11[B23P, G06F]
7877870 Method of bonding terminalExpiredSep 15, 06Feb 01, 11[H01R, H05K]
7880994 Vibration detection for data storage device and write processing method for data storage deviceExpiredOct 28, 08Feb 01, 11[G11B]
2011/0013,310 RECORDING MEDIUM DRIVING DEVICE AND MAGNETIC RECORDING MEDIUM, AND METHOD FOR CONTROLLING FLYING HEIGHT OF HEAD ELEMENTAbandonedSep 27, 10Jan 20, 11[G11B]
2011/0002,066 ACTUATOR ARM AND DISK RECORDING DEVICEAbandonedJun 11, 10Jan 06, 11[G11B]
2011/0004,725 DATA STORAGE DEVICE AND METHODAbandonedJun 30, 10Jan 06, 11[G06F]
2010/0328,801 DISK DRIVEAbandonedJun 18, 10Dec 30, 10[G11B]
2010/0328,804 MAGNETIC DISK STORAGE DEVICE AND METHOD CONTROLLING OF MAGNETIC DISK STORAGE DEVICEAbandonedJun 22, 10Dec 30, 10[G11B]
7859781 Head IC that adjusts the amplitude level of a read signal of a headExpiredSep 02, 08Dec 28, 10[G11B]
2010/0315,746 HEAD GIMBAL ASSEMBLY AND FIXING METHOD OF BASE PLATE AND CARRIAGE ARMAbandonedAug 04, 10Dec 16, 10[G11B]
7852584 Head IC, read circuit, and media storage deviceExpiredDec 21, 07Dec 14, 10[G11B]
7852597 Storage medium driving apparatus and control method thereofExpiredMar 11, 09Dec 14, 10[G11B]
7852602 Cooling of head actuator of disk deviceExpiredAug 09, 07Dec 14, 10[G11B]
2010/0302,671 MAGNETIC RECORDING DEVICE, HEAD EVALUATION DEVICE, AND WRITE-POLE-ERASING EVALUATION METHODAbandonedMay 26, 10Dec 02, 10[G11B]

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