BCD SEMICONDUCTOR MANUFACTURING LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 2676
 
  
 
H03K PULSE TECHNIQUE 7124
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 7104
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 496
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 4358
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H03F AMPLIFIERS 182

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0164,408 CONSTANT-VOLTAGE AND CONSTANT-CURRENT BUCK CONVERTER AND CONTROL CIRCUITFeb 09, 16Jun 09, 16[H02M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9853542 Constant-voltage and constant-current buck converter and control circuitFeb 09, 16Dec 26, 17[H02M]
RE46369 Control circuits and methods for switching mode power suppliesJun 26, 14Apr 18, 17[H02M]
9520868 Power transistor driving circuits and methods for switching mode power suppliesApr 12, 13Dec 13, 16[H03K, H02M, G05F]
9391530 System and method for synchronous rectifierAug 13, 13Jul 12, 16[H03K, H02M]
9318962 Circuits and methods for reducing output voltage overshoot of switch mode power supplyDec 07, 12Apr 19, 16[H02M, G05F]
9134349 Amplifier circuits and methodsDec 11, 12Sep 15, 15[H03F, G01R]
9112426 High power-factor control circuit and method for switched mode power supplyMar 17, 11Aug 18, 15[H02M, H05B]
8971060 Method and apparatus for controlling a switching mode power supply during transition of load conditions to minimize instabilityDec 29, 09Mar 03, 15[H03K, H02M]
8964415 Circuits and methods for increasing power factor of switch mode power supplySep 11, 12Feb 24, 15[H02M]
8897039 Method and system for pulse frequency modulated switching mode power suppliesJun 10, 08Nov 25, 14[H03K, H02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0001,968 CIRCUIT AND METHOD FOR CONTROLLING LIGHT EMITTING DIODEAbandonedAug 28, 12Jan 02, 14[H05B]
2013/0127,360 DYNAMICALLY CONTROLLABLE DRIVE CIRCUIT FOR PARALLEL ARRAY OF LIGHT EMITTING DIODESAbandonedJan 08, 13May 23, 13[H05B]
2011/0227,503 SYSTEM AND METHOD FOR LED BACKLIGHT DRIVER FOR LCD PANELSAbandonedApr 23, 10Sep 22, 11[H05B]
2011/0199,796 STRUCTURE OF A POWER SUPPLYAbandonedApr 26, 11Aug 18, 11[H02M]
2010/0052,631 STRUCTURE OF A POWER SUPPLYAbandonedAug 28, 08Mar 04, 10[G05F]
7446012 Lateral PNP transistor and the method of manufacturing the sameExpiredJan 20, 06Nov 04, 08[H01L]
2007/0176,254 Poly emitter bipolar device configuration and fabrication method with an inter-level dielectric deposited by plasma enhanced chemical vapor depositionAbandonedJan 30, 06Aug 02, 07[H01L]
2007/0173,026 Method for fabricating bipolar integrated circuitsAbandonedJan 23, 06Jul 26, 07[H01L]
2006/0148,188 Fabrication method for bipolar integrated circuitsAbandonedJan 05, 05Jul 06, 06[H01L]
2006/0043,528 Lateral PNP transistor and the method of manufacturing the sameAbandonedSep 01, 04Mar 02, 06[H01L]
6946335 Method of manufacturing improved double-diffused metal-oxide-semiconductor device with self-aligned channelExpiredNov 24, 04Sep 20, 05[H01L]

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