WESTERN DIGITAL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 4134
 
  
 
G11C STATIC STORES 1150
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9142241 Perpendicular magnetic recording medium and method of manufacturing the sameApr 23, 13Sep 22, 15[G11B]
9093100 Magnetic recording medium including tailored exchange coupling layer and manufacturing method of the sameMar 22, 13Jul 28, 15[G11B]
8605388 Magnetic recording medium with guard layer between auxiliary and magnetic recording layers and manufacturing method of the magnetic recording mediumMar 09, 09Dec 10, 13[G11B]
6771468 Slider with high pitch-stiffness air bearing designOct 22, 01Aug 03, 04[G11B]
6230233 Wear leveling techniques for flash EEPROM systemsSep 13, 91May 08, 01[G06F]
D439249 Storage deviceApr 28, 00Mar 20, 01[1402]
6049973 Method of assembling an integrated computer moduleApr 12, 99Apr 18, 00[H05K]
5806070 Device and method for controlling solid-state memory systemSep 16, 97Sep 08, 98[G06F]
5471478 Flash EEPROM array data and header file structureMar 10, 95Nov 28, 95[G06F]
5438573 Flash EEPROM array data and header file structureJun 01, 94Aug 01, 95[G11G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8414966 Magnetic recording medium and manufacturing method of the sameExpiredMar 09, 09Apr 09, 13[C23C, G11B]
6850443 Wear leveling techniques for flash EEPROM systemsExpiredMay 02, 03Feb 01, 05[G11C]
2004/0075,958 Synthetic antiferromagnetic pinned layer with fe/fesi/fe systemAbandonedOct 14, 03Apr 22, 04[G11B]
6715044 Device and method for controlling solid-state memory systemExpiredAug 22, 01Mar 30, 04[G06F]
6594183 Wear leveling techniques for flash EEPROM systemsExpiredJun 30, 98Jul 15, 03[G11C]
6081447 Wear leveling techniques for flash EEPROM systemsExpiredMar 05, 99Jun 27, 00[G11C]
5974729 Fruit or vegetable guardExpiredMay 01, 98Nov 02, 99[A01G]
5213715 Directionally conductive polymerExpiredApr 17, 89May 25, 93[H01B]
5147210 Polymer film interconnectExpiredOct 01, 91Sep 15, 92[H01R]
5069626 Plated plastic castellated interconnect for electrical componentsExpiredAug 20, 90Dec 03, 91[H01R]
5057706 One-shot pulse generatorExpiredFeb 15, 91Oct 15, 91[H03K]
4926291 Data storage mounting assemblyExpiredJul 31, 89May 15, 90[H05K]
4920339 Switchable bus termination and address selectorExpiredJan 06, 89Apr 24, 90[H04J]
4910864 Pick-up head for component handling machineExpiredDec 03, 87Mar 27, 90[H05K]
4843188 Integrated circuit chip mounting and packaging assemblyExpiredMar 25, 86Jun 27, 89[H01L]
4841174 CMOS circuit with racefree single clock dynamic logicExpiredFeb 12, 87Jun 20, 89[H03K, G06F]
4831724 Apparatus and method for aligning surface mountable electronic components on printed circuit board padsExpiredAug 04, 87May 23, 89[B23P, H05K]
4809839 Component handling machineExpiredDec 03, 87Mar 07, 89[B65G]
4797575 Flip-flop with identical propagation delay in clock pass through mode and in normal operationExpiredDec 05, 86Jan 10, 89[H03K]
4792705 Fast switching charge pumpExpiredMar 14, 86Dec 20, 88[H03L, H03K, H01L]

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