DELTA ELECTRONICS (SHANGHAI) CO., LTD.

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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 2379
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 11100
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 5115
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 483
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 4152
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 3156
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 374
 
  
 
H03K PULSE TECHNIQUE 3128
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0303,828 CONVERTERMar 05, 15Oct 22, 15[H02M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9401356 Power circuit, control method, power system, and package structure of power circuitDec 16, 14Jul 26, 16[H03K, H02M, H01L]
9398726 Heat-dissipating base and electronic deviceNov 23, 14Jul 19, 16[G06F, H05K]
9343970 Converter and method for reducing a voltage of node thereofMay 06, 14May 17, 16[H02M]
9318967 DC to DC converter and DC to DC conversion systemFeb 02, 15Apr 19, 16[H02M]
9263939 Capacitor discharging circuit and converterMay 08, 12Feb 16, 16[H02M, H02H]
9257929 Excitation control circuit, control method and electrically excited wind power system having the sameSep 14, 12Feb 09, 16[H02J, H02M, H02P]
9236807 DC/DC converter, power converter and control method thereofMar 22, 12Jan 12, 16[H02M]
9231406 Mid-voltage variable-frequency driving system and total harmonic distortion compensation control methodMar 27, 12Jan 05, 16[H02J, H02P]
9166489 Layouts of multiple transformers and multiple rectifiers of interleaving converterJul 05, 12Oct 20, 15[H02J, H02M]
9140744 Doubly-fed induction generator system and the self-test method for the active crowbar circuit thereofMay 15, 12Sep 22, 15[F03D, G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0069,853 INDUCTOR AND SWITCHING CIRCUIT INCLUDING THE SAMEAbandonedSep 02, 14Mar 12, 15[H02M, H01F]
2014/0251,668 AUTOMATIC MANUFACTURING PROCESS FOR PROVIDING BUFFER PADS FOR A PCB AND PCB STRUCTURE USING THE SAMEAbandonedAug 19, 13Sep 11, 14[H05K]
2014/0085,936 VARIABLE FREQUENCY CONVERTER AND ADJUSTING METHOD FOR THE SAMEAbandonedSep 25, 12Mar 27, 14[H02M]
2013/0200,973 CONDUCTIVE WIRE FOR TRANSFORMER AND MAGNETIC ELEMENT IN SWITCH POWER SUPPLYAbandonedJul 13, 12Aug 08, 13[H01F]
2013/0176,005 DC/DC CONVERTER AND CONTROL METHOD THEREOFAbandonedMay 25, 12Jul 11, 13[G05F]
2013/0162,196 CHARGERAbandonedMar 26, 12Jun 27, 13[H02J]
2013/0153,193 BIDIRECTIONAL HEAT SINK FOR PACKAGE ELEMENT AND METHOD FOR ASSEMBLING THE SAMEAbandonedMay 18, 12Jun 20, 13[B23P, F28F]
2013/0146,270 FIXING DEVICE, AND HEAT SINK DEVICE OR SHIELD CASE COMPRISING THE SAMEAbandonedJun 05, 12Jun 13, 13[F28F, H05K]
2013/0083,485 HEAT DISSIPATION APPARATUS FOR MEDIUM-VOLTAGE DRIVEAbandonedDec 08, 11Apr 04, 13[H05K]
2013/0082,528 ACTIVE ISOLATED POWER SUPPLY WITH MULTIPLE OUTPUTSAbandonedApr 11, 12Apr 04, 13[H02J]
2013/0043,754 ROTOR AND ROTARY ELECTRIC MACHINE CONTAINING THE SAMEAbandonedNov 29, 11Feb 21, 13[H02K]
2013/0033,113 PHOTOVOLTAIC SYSTEMS WITH VOLTAGE BALANCERSAbandonedOct 03, 11Feb 07, 13[H02J]
2013/0020,989 AC-DC POWER CONVERTER AND DC CHARGING STATION THEREOFAbandonedNov 09, 11Jan 24, 13[H02J, H02M]
2013/0016,480 PRINTED CIRCUIT BOARD HAVING HEAT GATHERING STRUCTURES AND MANUFACTURING PROCESS THEREOFAbandonedNov 09, 11Jan 17, 13[H05K]
2012/0294,053 METHOD FOR PROTECTING A CONVERTER AND A CONVERTER IMPLEMENTING THE METHODAbandonedSep 23, 11Nov 22, 12[H02H]
2012/0268,976 THREE-PHASE RECTIFIER CIRCUITAbandonedJul 09, 12Oct 25, 12[H02M]
2007/0004,327 Heat dissipation system and anti-backflow deviceAbandonedJun 06, 06Jan 04, 07[H05K]

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