FAIRCHILD KOREA SEMICONDUCTOR, LTD.

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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 31331
 
  
 
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 1290
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 892
 
  
 
H03K PULSE TECHNIQUE 6125
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 582
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 5106
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 473
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 377
 
  
 
H01C RESISTORS226

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9917503 Overcurrent protection circuit and power factor correction circuit comprising the sameMay 13, 16Mar 13, 18[H02M, H02H]
8242007 Semiconductor device formed using single polysilicon process and method of fabricating the sameMar 11, 09Aug 14, 12[H01L]
8242758 Converter and driving method thereofDec 24, 08Aug 14, 12[H02M, G05F]
7672146 Switching mode power supply and driving methodMay 29, 07Mar 02, 10[H02M]
6845019 Flyback converterJan 17, 03Jan 18, 05[H02M]
6190948 Method of forming power semiconductor devices having overlapping floating field plates for improving breakdown voltage capabilityDec 12, 97Feb 20, 01[H01L]
6114212 Methods of fabricating bipolar junction transistors having an increased safe operating areaSep 14, 98Sep 05, 00[H01L]
6087244 Methods of forming semiconductor-on-insulator devices including buried layers of opposite conductivity typeApr 27, 99Jul 11, 00[H01L]
6051850 Insulated gate bipolar junction transistors having built-in freewheeling diodes thereinOct 10, 97Apr 18, 00[H01L]
6040212 Methods of forming trench-gate semiconductor devices using sidewall implantation techniques to control threshold voltageApr 04, 97Mar 21, 00[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0326,103 SWITCH CONTROL CIRCUIT AND POWER SUPPLY DEVICE INCLUDING THE SAMEAbandonedMay 08, 14Nov 12, 15[H02M]
2015/0001,578 POWER SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAMEAbandonedJun 26, 14Jan 01, 15[H01L]
2015/0003,118 START-UP CIRCUIT, SWITCH CONTROL CIRCUIT HAVING THE START-UP CIRCUIT AND POWER SUPPLY DEVICE HAVING THE SWITCH CONTROL CIRCUITAbandonedJun 27, 14Jan 01, 15[H02M]
2014/0376,185 COOLING DEVICEAbandonedJun 13, 14Dec 25, 14[H01L, H05K]
2014/0327,144 Complex Semiconductor Packages and Methods of Fabricating the SameAbandonedJul 16, 14Nov 06, 14[H01L]
2014/0313,798 SWITCH CONTROL DEVICE, POWER SUPPLY DEVICE COMPRISING THE SAME AND DRIVING METHOD OF POWER SUPPLY DEVICEAbandonedJul 03, 14Oct 23, 14[H03K, H02M]
2014/0313,803 TRANSFORMERLESS DC/AC CONVERTERAbandonedApr 17, 13Oct 23, 14[H02M]
2014/0286,056 SWITCH CONTROL CIRCUIT, POWER SUPPLY DEVICE COMPRISING THE SAME AND DRIVING METHOD OF THE POWER SUPPLY DEVICEAbandonedMar 21, 14Sep 25, 14[H02M]
2014/0225,568 GATE DRIVING CIRCUIT AND BATTERY MANAGEMENT SYSTEM INCLUDING THE SAMEAbandonedFeb 11, 14Aug 14, 14[H02J]
2014/0217,572 Heat Sink PackageAbandonedNov 12, 13Aug 07, 14[H01L]
2014/0198,873 COMMUNICATION DEVICEAbandonedJan 15, 14Jul 17, 14[H04L]
2014/0152,266 BATTERY MANAGEMENT SYSTEM AND MANAGING METHOD THEREOFAbandonedDec 05, 13Jun 05, 14[H02J]
2014/0145,682 BATTERY MANAGEMENT CIRCUIT AND BATTERY MANAGEMENT SYSTEM INCLUDING THE SAMEAbandonedNov 27, 13May 29, 14[H02J]
2014/0126,088 PROTECTION CIRCUIT, SWITCH CONTROL CIRCUIT, AND POWER SUPPLY DEVICE COMPRISING THE SAMEAbandonedNov 05, 13May 08, 14[H02H]
2014/0049,236 SWITCH CONTROL CIRCUIT, CONVERTER INCLUDING THE SAME AND DRIVING METHOD THEREOFAbandonedAug 12, 13Feb 20, 14[H02M]
2014/0016,239 THRESHOLD VOLTAGE AND DELAY TIME SETTING CIRCUIT, AND BATTERY MANAGEMENT SYSTEM INCLUDING THE SAMEAbandonedJul 15, 13Jan 16, 14[H03K, H02H]
2014/0008,765 POLY SILICON RESISTOR, REFERENCE VOLTAGE CIRCUIT COMPRISING THE SAME, AND MANUFACTURING METHOD OF POLY SILICON RESISTORAbandonedSep 12, 13Jan 09, 14[H01L]
2013/0342,125 DIMMING ANGLE SENSING CIRCUIT, DIMMING ANGLE SENSING METHOD, AND POWER SUPPLY DEVICE COMPRISING THE DIMMING ANGLE SENSING CIRCUITAbandonedJun 18, 13Dec 26, 13[H05B]
2013/0343,090 ACTIVE BLEEDER, ACTIVE BLEEDING METHOD, AND POWER SUPPLY DEVICE WHERE THE ACTIVE BLEEDER IS APPLIEDAbandonedJun 18, 13Dec 26, 13[H02M]
2013/0343,099 ACTIVE DAMPING CIRCUIT, ACTIVE DAMPING METHOD, POWER SUPPLY DEVICE COMPRISING THE ACTIVE DAMPING CIRCUITAbandonedJun 20, 13Dec 26, 13[H02M]

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