INVENTRONICS (HANGZHOU), 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 993
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 9102
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
G04B MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS 136
 
  
 
G04F TIME-INTERVAL MEASURING 118
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9692294 Main switch control circuit in power factor correction circuitDec 04, 13Jun 27, 17[H02M]
9590487 Method and circuit for reducing ripple of current output by current sourceDec 10, 13Mar 07, 17[H02M, H05B, G05F]
9380678 Auxiliary power supply circuit of two wire dimmerAug 29, 11Jun 28, 16[H02M, H05B]
9240711 Constant current control circuit with PFC function and its PFC circuitAug 06, 12Jan 19, 16[H02M, H05B]
9215767 Device and system for load drivingAug 23, 11Dec 15, 15[H05B]
9185756 Load driving device and system, limiting point control method and deviceAug 23, 11Nov 10, 15[H05B]
9155141 Multi-path constant current driving circuitNov 15, 10Oct 06, 15[H02J, H02M, H05B]
9148933 Power supply circuit for multi-path light-emitting diode (LED) loadsDec 16, 10Sep 29, 15[H05B]
9072126 Open-circuit protection circuit of constant current driving circuit for light emitting diodesDec 31, 10Jun 30, 15[H05B]
8888359 Timepiece display mechanismJul 17, 13Nov 18, 14[G04B, G04F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0282,268 LED DRIVER, AND METHOD AND DEVICE FOR CONTROLLING FIXED VALUE OF LED DRIVERAbandonedNov 21, 13Oct 01, 15[H05B]
2013/0241,433 METHOD, APPARATUS AND SYSTEM FOR CONTROLLING LIGHT SOURCEAbandonedAug 23, 11Sep 19, 13[H05B]
2013/0099,686 LIGHT EMITTING DIODE (LED) DIMMING SYSTEMAbandonedNov 09, 10Apr 25, 13[H05B]
2011/0080,102 HIGH EFFICIENCY CONSTANT CURRENT LED DRIVERAbandonedOct 01, 10Apr 07, 11[H05B]

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