ASIAN POWER DEVICES INC.

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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 597
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 397
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 2131
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110
 
  
 
1302 POWER TRANSFORMERS, RECTIFIERS, BATTERIES AND ACCUMULATORS134
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER170

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0364,116 DISCHARGE CIRCUIT FOR DIODE REVERSE LEAKAGE CURRENTNov 08, 16Dec 21, 17[G05F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9647451 Discharge circuitJul 17, 15May 09, 17[H02M, H02H]
9537276 Power adapter with replaceable plug structureMay 25, 16Jan 03, 17[H01R]
9407136 Passive coupled-inductor soft-switching circuit of power factor correctorsJun 23, 15Aug 02, 16[H02M]
9246380 Control circuit module for power factor correctorJul 15, 14Jan 26, 16[H02M, G05F]
9236808 Parallel resonant converter circuit with current-equalization functionNov 05, 14Jan 12, 16[H02J, H02M, G05F]
D721038 Cigarette lighter plugApr 23, 14Jan 13, 15[1303]
D697029 Power adapterJul 15, 13Jan 07, 14[]
8556642 Power supply structureSep 28, 11Oct 15, 13[H01R]
D647476 Power adapterMay 26, 11Oct 25, 11[1302]
7602151 Charger with output voltage compensationNov 07, 06Oct 13, 09[H02J]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0043,630 PASSIVE SOFT-SWITCHING CIRCUIT OF POWER FACTOR CORRECTORSAbandonedJun 23, 15Feb 11, 16[H02M]
2015/0188,414 SINGLE-PHASE POWER FACTOR CORRECTOR WITH STEP-UP AND STEP-DOWN FUNCTIONSAbandonedAug 20, 14Jul 02, 15[H02M]
2015/0171,570 CONNECTION PORT SOCKET STRUCTUREAbandonedJul 08, 14Jun 18, 15[H02J, H01R]
2015/0160,269 CIRCUIT STRUCTURE FOR MEASURING INPUT VOLTAGEAbandonedAug 18, 14Jun 11, 15[G01R]
2015/0035,418 POWER SUPPLY CASE HAVING WATERPROOF STRUCTUREAbandonedMay 29, 14Feb 05, 15[H05K]
2014/0361,616 SYSTEM WITH TWO-STAGE OUTPUT VOLTAGEAbandonedJun 06, 14Dec 11, 14[H02J]
2014/0119,071 Overload Protection Saving CircuitAbandonedJun 25, 13May 01, 14[H02M]
2014/0099,811 Electrical Connector AssemblyAbandonedJun 25, 13Apr 10, 14[H01R]
2014/0049,992 Switching Power SupplyAbandonedMay 28, 13Feb 20, 14[H02M]
2011/0140,628 POWER SUPPLY FOR LIGHTING LUMINARY FOR IMPROVING DIMMING PERFORMANCEAbandonedDec 14, 09Jun 16, 11[H05B]
2011/0140,629 POWER SUPPLY FOR LIGHTING LUMINARY FOR FIXING MAXIMUM AND MINIMUM ILLUMINATIONAbandonedDec 14, 09Jun 16, 11[H05B]
7675240 Light emitting diode circuit having even currentExpiredDec 12, 07Mar 09, 10[H05B]
7550951 Two-step battery chargerExpiredOct 03, 06Jun 23, 09[H02J, H02M, G05F, H01F]
2007/0053,157 Power supply device with an electromagnetic compatiblity heatsinkAbandonedSep 07, 05Mar 08, 07[H05K]
2004/0239,401 Zero-voltage-switching full-bridge converterAbandonedMay 27, 03Dec 02, 04[H03K]
2001/0035,744 Control device for power factor correctionsAbandonedMay 15, 01Nov 01, 01[G05F]

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