SEMICONDUCTOR TECHNOLOGY ACADEMIC RESEARCH CENTER

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1398
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
G06G ANALOGUE COMPUTERS 350
 
  
 
H03K PULSE TECHNIQUE 3128
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
H04B TRANSMISSION 2208
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G04F TIME-INTERVAL MEASURING 118
 
  
 
H01Q AERIALS 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8963124 Semiconductor device including a plurality of different functional elements and method of manufacturing the sameMar 17, 09Feb 24, 15[H01L]
8941524 TD converter and AD converter with no operational amplifier and no switched capacitorMay 01, 13Jan 27, 15[H03M, G04F]
8860511 Frequency divider and PLL circuitNov 08, 12Oct 14, 14[H03L, H03B]
8829985 Time difference amplifier circuitAug 31, 12Sep 09, 14[G06G]
8803725 Single slope AD converter circuit provided with compartor for comparing ramp voltage with analog input voltageApr 15, 13Aug 12, 14[H03M]
8779951 Multi-bit delta-sigma time digitizer circuit and calibration method thereofFeb 14, 13Jul 15, 14[H03K, G04F, G01R]
8780010 Metamaterial provided with at least one spiral conductor for propagating electromagnetic waveAug 30, 11Jul 15, 14[H01Q]
8709939 Semiconductor device having a multilevel interconnect structure and method for fabricating the sameOct 02, 12Apr 29, 14[H01L]
8692623 Relaxation oscillator circuit including two clock generator subcircuits having same configuration operating alternatelyAug 22, 12Apr 08, 14[H03K]
8692701 Pipelined A/D converter circuit provided with A/D converter circuit parts of stages each including precharge circuitAug 30, 12Apr 08, 14[H03M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0226,656 PHASE DETECTOR AND DIGITAL PLL CIRCUIT USING THE SAMEAbandonedAug 20, 15Aug 04, 16[H04L]
2016/0013,763 AMPLIFIER CIRCUIT, CMOS INVERTER AMPLIFIER CIRCUIT, COMPARATOR CIRCUIT, DELTA-SIGMA ANALOG-TO-DIGITAL CONVERTER, AND SEMICONDUCTOR DEVICEAbandonedJun 05, 15Jan 14, 16[H03K, H03M, H03F]
2015/0221,364 SEMICONDUCTOR DEVICE, STORAGE DEVICE, AND CONTROL METHOD OF STORAGE DEVICEAbandonedJan 29, 15Aug 06, 15[G11C]
2014/0219,355 MOTION ESTIMATION DEVICEAbandonedSep 30, 13Aug 07, 14[H04N]
2014/0021,987 INJECTION-LOCKED-TYPE FREQUENCY-LOCKED OSCILLATORAbandonedMar 12, 12Jan 23, 14[H03L]
8618870 Voltage characteristic regulating method of latch circuit, voltage characteristic regulating method of semiconductor device, and voltage characteristic regulator of latch circuitExpiredJun 11, 10Dec 31, 13[G05F]
8614570 Reference current source circuit including added bias voltage generator circuitExpiredJul 28, 11Dec 24, 13[G05F]
8600443 Sensor network system for acquiring high quality speech signals and communication method thereforExpiredJul 12, 12Dec 03, 13[H04B]
8587336 Reconfigurable logic block, programmable logic device provided with the reconfigurable logic block, and method of fabricating the reconfigurable logic blockExpiredNov 14, 06Nov 19, 13[H03K]
8519880 Ad converter and TD converter configured without operational amplifier and capacitorExpiredMay 14, 12Aug 27, 13[H03M]
2013/0114,355 METHOD FOR ADJUSTING VOLTAGE CHARACTERISTICS OF SEMICONDUCTOR MEMORY ELEMENT, METHOD FOR ADJUSTING VOLTAGE CHARACTERISTICS OF SEMICONDUCTOR MEMORY DEVICE, CHARGE PUMP AND METHOD FOR ADJUSTING VOLTAGE OF CHARGE PUMPAbandonedMay 23, 11May 09, 13[G05F, G11C]
2012/0314,486 Semiconductor Memory Device for Reducing Charge/Discharge Power of Write BitlinesAbandonedJun 08, 12Dec 13, 12[G11C]
8319675 Analog-to-digital converterExpiredDec 02, 10Nov 27, 12[H03M]
8304908 Semiconductor device having a multilevel interconnect structure and method for fabricating the sameExpiredMar 19, 09Nov 06, 12[H01L]
8305134 Reference current source circuit provided with plural power source circuits having temperature characteristicsExpiredFeb 26, 10Nov 06, 12[G05F]
8295413 Doppler frequency estimating device, receiving device, recording medium and Doppler frequency estimating methodExpiredNov 19, 09Oct 23, 12[H04L]
8258992 Analog-to-digital converterExpiredOct 19, 10Sep 04, 12[H03M]
8248172 Wideband oscillation circuitExpiredFeb 01, 11Aug 21, 12[H03L]
8244788 Semiconductor integrated circuit device having a plurality of photo detectors and processing elementsExpiredNov 30, 05Aug 14, 12[G06F]
8020130 Timing analysis apparatus and method for semiconductor integrated circuit in consideration of power supply and ground noisesExpiredOct 20, 08Sep 13, 11[G06F]

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