ELPIDA MEMORY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 96259
 
 
 
G11C STATIC STORES 8581
 
 
 
H03K PULSE TECHNIQUE 21108
 
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8431
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 5154
 
 
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 595
 
 
 
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 495
 
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 362
 
 
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 285
 
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 295

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9508431 Nonvolatile semiconductor memory device of variable resistive type with reduced variations of forming current after breakdownJun 04, 13Nov 29, 16[G11C]
9496383 Semiconductor device and method of forming the sameJun 18, 14Nov 15, 16[H01L]
9465068 Test method for semiconductor device having stacked plural semiconductor chipsJul 16, 13Oct 11, 16[G01R, G11C]
9443790 Semiconductor deviceJan 22, 14Sep 13, 16[H01L]
9287355 Semiconductor deviceDec 24, 13Mar 15, 16[H01L]
9281357 DRAM MIM capacitor using non-noble electrodesJan 19, 15Mar 08, 16[H01L]
9236387 Semiconductor device and manufacturing method thereofFeb 21, 14Jan 12, 16[H01L]
9224878 High work function, manufacturable top electrodeDec 27, 12Dec 29, 15[H01L]
9218878 Semiconductor device and control method for semiconductor deviceNov 20, 13Dec 22, 15[G11C]
9177941 Semiconductor device with stacked semiconductor chipsDec 03, 13Nov 03, 15[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0233,334 SEMICONDUCTOR DEVICE AND METHOD OF CONTROLLING THE SAMEABANApr 28, 14Aug 21, 14[G11C]
2014/0226,423 DEVICEABANApr 18, 14Aug 14, 14[G11C]
2014/0226,428 SEMICONDUCTOR DEVICE, INFORMATION PROCESSING SYSTEM INCLUDING SAME, AND CONTROLLER FOR CONTROLLING SEMICONDUCTOR DEVICEABANApr 18, 14Aug 14, 14[G11C]
2014/0227,855 SEMICONDUCTOR DEVICE HAVING GATE TRENCH AND MANUFACTURING METHOD THEREOFABANApr 22, 14Aug 14, 14[H01L]
2014/0197,495 SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAMEABANMar 18, 14Jul 17, 14[H01L]
2014/0117,440 SEMICONDUCTOR DEVICE WITH IMPURITY REGION WITH INCREASED CONTACT AREAABANJan 07, 14May 01, 14[H01L]
2014/0111,271 SEMICONDUCTOR DEVICE HAVING BOOSTING CIRCUITABANDec 27, 13Apr 24, 14[G05F]
2014/0103,442 SEMICONDUCTOR DEVICE, METHOD OF FORMING SEMICONDUCTOR DEVICE, AND DATA PROCESSING SYSTEMABANDec 16, 13Apr 17, 14[H01L]
2014/0092,679 MEMORY DEVICE AND WRITING METHOD THEREOFABANDec 04, 13Apr 03, 14[G11C]
2014/0085,964 SEMICONDUCTOR STORAGE DEVICEABANSep 17, 13Mar 27, 14[G11C]
2014/0085,997 SEMICONDUCTOR DEVICE HAVING HIERARCHICAL BIT LINE STRUCTUREABANNov 29, 13Mar 27, 14[G11C]
2014/0087,518 METHOD OF MANUFACTURING SEMICONDUCTOR DEVICEABANNov 22, 13Mar 27, 14[H01L]
2014/0042,617 SEMICONDUCTOR DEVICE HAVING PENETRATION ELECTRODEABANAug 07, 13Feb 13, 14[H01L]
8614907 Semiconductor memory device, method of controlling read preamble signal thereof, and data transmission systemWithdrawnSep 15, 12Dec 24, 13[G11C]
8605473 Semiconductor memory device, method of controlling read preamble signal thereof, and data transmission systemWithdrawnSep 15, 12Dec 10, 13[G11C]
8605474 Semiconductor memory device, method of controlling read preamble signal thereof, and data transmission systemWithdrawnSep 15, 12Dec 10, 13[G11C]
8605475 Semiconductor memory device, method of controlling read preamble signal thereof, and data transmission systemWithdrawnSep 15, 12Dec 10, 13[G11C]
2013/0248,809 VARIABLE RESISTIVE ELEMENT AND NONVOLATILE SEMICONDUCTOR MEMORY DEVICEABANMar 22, 13Sep 26, 13[H01L]
2013/0242,641 SEMICONDUCTOR DEVICEABANMar 12, 13Sep 19, 13[G11C]
2013/0193,396 VARIABLE RESISTIVE ELEMENT, AND NON-VOLATILE SEMICONDUCTOR MEMORY DEVICEABANJan 30, 13Aug 01, 13[H01L]

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