DRAM MEMORY TECHNOLOGIES LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11C STATIC STORES 41110
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 264
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 278
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 196
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H03K PULSE TECHNIQUE 1130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6487136 Semiconductor memory device with reduced current consumption in data hold modeApr 04, 02Nov 26, 02[G11C]
6452861 Semiconductor memory device allowing simultaneous inputting of N data signalsOct 19, 01Sep 17, 02[G11C]
6426908 Semiconductor memory device with reduced current consumption in data hold modeFeb 23, 00Jul 30, 02[G11C]
6414881 Semiconductor device capable of generating internal voltage effectivelyJun 08, 01Jul 02, 02[G11C]
6396747 Semiconductor memory device capable of high speed input/output of wide bandwidth data by improving usage efficiency of external data busDec 14, 99May 28, 02[G11C]
6377512 Clock synchronous type semiconductor memory device that can switch word configurationSep 20, 00Apr 23, 02[G11C]
6359803 Semiconductor memory device that can access two regions alternately at high speedJan 16, 01Mar 19, 02[G11C]
6351423 Semiconductor memory device including sense amplifier circuit differing in drivability between data write mode and data read modeJan 24, 01Feb 26, 02[G11C]
6345348 Memory system capable of supporting different memory devices and a memory device used thereforFeb 11, 97Feb 05, 02[G06F]
6337832 Operable synchronous semiconductor memory device switching between single data rate mode and double data rate modeMar 18, 99Jan 08, 02[G11C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6765838 Refresh control circuitry for refreshing storage dataExpiredAug 02, 02Jul 20, 04[G11C]
6724686 Operable synchronous semiconductor memory device switching between single data rate mode and double data rate modeExpiredJan 10, 03Apr 20, 04[G11C]
6587385 Clock synchronous semiconductor memory device having a reduced access timeExpiredApr 30, 01Jul 01, 03[G11C]
6570815 Semiconductor memory device capable of adjusting phase of output data and memory system using the sameExpiredOct 11, 01May 27, 03[G11C]
6522599 Operable synchronous semiconductor memory device switching between single data rate mode and double data rate modeExpiredDec 26, 01Feb 18, 03[G11C]
6515934 Semiconductor device including internal potential generating circuit allowing tuning in short period of time and reduction of chip areaExpiredNov 13, 01Feb 04, 03[G11C]
5267200 Semiconductor memory device and operating method thereof with transfer transistor used as a holding meansExpiredAug 31, 89Nov 30, 93[G11C]
4980799 Electrostatic capacity device in semiconductor memory device, and apparatus for and method of driving sense amplifier using electrostatic capacity deviceExpiredJan 04, 90Dec 25, 90[H01L, G11C, H01G]

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