FAIRCHILD SEMICONDUCTOR CORPORATION

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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 64974
 
  
 
H03K PULSE TECHNIQUE 12543
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 9229
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 8336
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 5035
 
  
 
H03F AMPLIFIERS 3450
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 3090
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 27132
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 2780
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 24423

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0058,414 MULTIPLE PULSE IGNITION SYSTEM CONTROLAug 10, 17Mar 01, 18[F02P, H01F]
2018/0062,326 HIGH CONTACT RESISTANCE DETECTIONAug 16, 17Mar 01, 18[H01R, G06F]
2018/0012,958 TRENCH-BASED POWER SEMICONDUCTOR DEVICES WITH INCREASED BREAKDOWN VOLTAGE CHARACTERISTICSAug 28, 17Jan 11, 18[H01L]
2017/0366,044 POWER SUPPLY CIRCUIT WITH SECONDARY SIDE TO PRIMARY SIDE COMMUNICATIONMay 19, 17Dec 21, 17[H02J, H02M]
2017/0345,889 AVALANCHE-RUGGED SILICON CARBIDE (SIC) POWER DEVICEAug 15, 17Nov 30, 17[H01L]
2017/0346,385 INDUCTOR CURRENT EMULATION FOR OUTPUT CURRENT MONITORINGMay 01, 17Nov 30, 17[H02M]
2017/0222,569 SELF-TUNING ADAPTIVE DEAD TIME CONTROL FOR CONTINUOUS CONDUCTION MODE AND DISCONTINUOUS CONDUCTION MODE OPERATION OF A FLYBACK CONVERTERNov 22, 16Aug 03, 17[H02M]
2017/0201,109 BATTERY CHARGE TERMINATION VOLTAGE REDUCTIONDec 30, 16Jul 13, 17[H02J]
2017/0064,479 MIC/GND DETECTION AND AUTOMATIC SWITCHNov 14, 16Mar 02, 17[H04R, H01R]
2017/0012,099 METHODS AND APPARATUS RELATED TO TERMINATION REGIONS OF A SEMICONDUCTOR DEVICESep 23, 16Jan 12, 17[H01L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920736 Ignition control circuit with current slope detectionFeb 01, 16Mar 20, 18[H03K, F02P]
9923358 USB adapter protectionFeb 11, 15Mar 20, 18[H02H]
9899370 Auxiliary self-protecting transistor structureAug 25, 15Feb 20, 18[H01L]
9893176 Silicon-carbide trench gate MOSFETsSep 23, 16Feb 13, 18[H01L]
9887633 Resonant converter control techniques to manage negative SR currentFeb 09, 15Feb 06, 18[H02M]
9882408 Battery charging system including current observer circuitry to avoid battery voltage overshoot based on battery current drawFeb 25, 16Jan 30, 18[H02J]
9877104 Audio switch circuit with slow turn-onJun 23, 15Jan 23, 18[H03K, H04R, H03F]
9856132 Sealed packaging for microelectromechanical systemsSep 18, 11Jan 02, 18[H01L, B81C, B81B]
9835647 Apparatus and method for extending analog front end sense range of a high-Q MEMS sensorMar 18, 15Dec 05, 17[H03L, G01N, G01P, G01R]
9838004 Enhanced protective multiplexerMar 24, 16Dec 05, 17[H03K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0236,699 INPUT BUFFER CIRCUIT, METHOD, AND INTEGRATED CIRCUITAbandonedFeb 13, 15Aug 20, 15[H03K]
2015/0162,299 INTEGRATED WIRE BONDER AND 3D MEASUREMENT SYSTEM WITH DEFECT REJECTIONAbandonedOct 24, 14Jun 11, 15[H01L]
9054712 Level switching circuit and method for controlling rail-to-rail enabling signalWithdrawnMar 07, 13Jun 09, 15[H03L, H03K]
2015/0130,433 CONSTANT POWER AVAILABILITY FOR LOAD SWITCHES WITH FOLDBACK CURRENTAbandonedNov 07, 14May 14, 15[G05F]
2015/0084,895 LOAD DRIVING METHOD, LOAD DRIVING CIRCUIT, AND APPLICATION DEVICES THEREOFAbandonedSep 16, 14Mar 26, 15[H02P, G06F, G05F]
2015/0035,369 CHARGING CONTROL CIRCUIT, METHOD AND ELECTRONIC DEVICE THEREOFAbandonedJul 22, 14Feb 05, 15[H02J]
2014/0376,141 OVERCURRENT PROTECTION METHOD, CIRCUIT AND INTEGRATED CIRCUITAbandonedJun 24, 14Dec 25, 14[H02H]
2014/0354,261 METHOD, CIRCUIT AND INTEGRATED CIRCUIT FOR DETECTING RESONANCE FREQUENCYAbandonedMay 30, 14Dec 04, 14[G01R]
2014/0333,267 HEATED ACCELERATED BATTERY CHARGINGAbandonedMay 12, 14Nov 13, 14[H02J, H01M]
2014/0285,121 MODULATION SCHEME FOR DRIVING A PIEZO ELEMENTAbandonedNov 07, 12Sep 25, 14[H01L]
2014/0264,434 MONOLITHIC IGNITION INSULATED-GATE BIPOLAR TRANSISTORAbandonedMar 14, 14Sep 18, 14[H01L, F23Q]
2014/0273,374 Vertical Doping and Capacitive Balancing for Power Semiconductor DevicesAbandonedMar 15, 13Sep 18, 14[H01L]
2014/0244,193 BATTERY STATE OF CHARGE TRACKING, EQUIVALENT CIRCUIT SELECTION AND BENCHMARKINGAbandonedFeb 20, 14Aug 28, 14[G01R]
2014/0233,139 CLAMPING CIRCUIT AND DEVICE FOR EOS/SURGE/IECAbandonedFeb 20, 14Aug 21, 14[H02H]
2014/0233,614 ISOLATION COMMUNICATION TECHNOLOGY USING COUPLED OSCILLATORS/ANTENNASAbandonedFeb 20, 14Aug 21, 14[H04B]
2014/0237,308 TEST CONTROL USING EXISTING IC CHIP PINSAbandonedFeb 20, 14Aug 21, 14[G01R]
2014/0218,115 CURRENT COMPENSATION CIRCUIT, METHOD AND OPERATIONAL AMPLIFIERAbandonedFeb 05, 14Aug 07, 14[H02M, H03F]
2014/0219,442 SECURE CRYPTO KEY GENERATION AND DISTRIBUTIONAbandonedFeb 07, 14Aug 07, 14[H04L]
2014/0203,355 FIELD EFFECT TRANSISTOR AND SCHOTTKY DIODE STRUCTURESAbandonedMar 24, 14Jul 24, 14[H01L]
2014/0203,790 Hybrid Continuous and Discontinuous Mode OperationAbandonedJan 23, 13Jul 24, 14[G05F]

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