VACHELLIA, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11C STATIC STORES 23128
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 7355
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6480431 Semiconductor having mechanism capable of operating at high speedAug 31, 01Nov 12, 02[G11C]
6366507 High speed semiconductor memory device with short word line switching timeSep 01, 00Apr 02, 02[G11C]
6341098 Semiconductor integrated circuit device having hierarchical power source arrangementMay 02, 01Jan 22, 02[G11C]
6338113 Memory module system having multiple memory modulesNov 19, 98Jan 08, 02[G06F]
6330200 Synchronous semiconductor memory device having improved operational frequency margin at data input/outputApr 13, 01Dec 11, 01[G11C]
6324118 Synchronous semiconductor memory device having improved operational frequency margin at data input/outputMar 12, 99Nov 27, 01[G11C]
6314045 Semiconductor memory device with a plurality of memory blocksSep 25, 00Nov 06, 01[G11C]
6310803 Semiconductor having mechanism capable of operating at high speedJun 03, 99Oct 30, 01[G11C]
6303425 Semiconductor device and method of manufacturing the sameSep 12, 00Oct 16, 01[H01L]
6304498 Semiconductor memory device capable of suppressing degradation in operation speed after replacement with redundant memory cellJun 08, 00Oct 16, 01[G11C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6812754 Clock synchronizer with offset prevention function against variation of output potential of loop filterExpiredJan 14, 02Nov 02, 04[H03K]
6754127 Semiconductor integrated circuit device having internal synchronizing circuit responsive to test mode signalExpiredOct 01, 02Jun 22, 04[G11C]
6643208 Semiconductor integrated circuit device having hierarchical power source arrangementExpiredJan 21, 03Nov 04, 03[G11C]
6538933 High speed semiconductor memory device with short word line switching timeExpiredJan 03, 02Mar 25, 03[G11C]
6525984 Semiconductor integrated circuit device having hierarchical power source arrangementExpiredJan 17, 02Feb 25, 03[G11C]
6522598 Synchronous semiconductor memory device having improved operational frequency margin at data input/outputExpiredNov 07, 01Feb 18, 03[G11C]
6462996 Semiconductor integrated circuit device having internal synchronizing circuit responsive to test mode signalExpiredAug 31, 01Oct 08, 02[G11C]
6383860 Semiconductor device and method of manufacturing the sameExpiredJul 20, 01May 07, 02[H01L]
5045899 Dynamic random access memory having stacked capacitor structureExpiredMay 17, 90Sep 03, 91[H01L]

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