SUNGROW POWER SUPPLY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 2595
 
  
 
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 2577
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 3156
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 374
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 2360
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 2154
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 155
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 134
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 151
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0294,875 CASCADED PHOTOVOLTAIC GRID-CONNECTED INVERTER, CONTROL METHOD AND CONTROL DEVICE FOR THE SAMEMar 30, 17Oct 12, 17[H02J, H01L, H02S]
2017/0264,099 CENTRALIZED MPPT EXITING AND SWITCHING METHOD AND APPLICATION THEREOFJul 15, 14Sep 14, 17[H02J, H02M]
2017/0207,693 PROTECTION SYSTEM AND METHOD FOR PHOTOVOLTAIC GRID-CONNECTED INVERTERAug 04, 14Jul 20, 17[H02J, H02M]
2017/0194,793 GRID-CONNECTED CONTROL METHOD BASED ON VIRTUAL SYNCHRONIZER AND DEVICE THEREOFJun 28, 16Jul 06, 17[H02J]
2017/0187,323 INVERTER AND PHOTOVOLTAIC POWER GENERATION SYSTEMMar 27, 15Jun 29, 17[H02J, H02M, H02S]
2017/0133,857 SINGLE-STAGE PHOTOVOLTAIC GRID-CONNECTED INVERTER AND CONTROL METHOD AND APPLICATION THEREOFJul 09, 15May 11, 17[H02J, H02M]
2016/0352,252 PRE-CHARGE CIRCUIT AND PHOTOVOLTAIC INVERTERMay 25, 16Dec 01, 16[H02J, H02M]
2016/0190,811 CONTROL METHOD AND SYSTEM FOR PHOTOVOLTAIC INVERTERS WHOSE AC SIDES ARE CONNECTED IN PARALLELDec 15, 15Jun 30, 16[H02J, H02M]
2016/0091,264 INVERTER HEAT-DISSIPATION DEVICE AND INVERTERSep 23, 15Mar 31, 16[F28F]
2016/0094,148 PHOTOVOLTAIC SYSTEM AND METHOD FOR CONTROLLING THE SAMESep 25, 15Mar 31, 16[H02M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9923481 Photovoltaic system and method for controlling the sameSep 25, 15Mar 20, 18[H02J, H02M]
9923517 Photovoltaic inverter system, potential induced degradation effect compensation method and device for the sameMay 26, 17Mar 20, 18[H02J, H02S]
9912146 Method and device for supressing common-mode voltage of inverter alternating current cable relative to groundMay 30, 17Mar 06, 18[H02J, H02M, H01L, H02H]
9912252 Pre-charge circuit and photovoltaic inverterMay 25, 16Mar 06, 18[H02J, H02M]
9906022 Cascaded multilevel converter self-test system and self-test method for the sameJun 30, 16Feb 27, 18[H02J, H02M, G01R]
9906166 Method and device for controlling operation of inverterApr 28, 17Feb 27, 18[H02J, H02M]
9843274 Three-level photovoltaic inverter pulse width modulation method and modulatorMay 08, 15Dec 12, 17[H02M, H02S, H02H]
9795066 InverterFeb 23, 16Oct 17, 17[H02M, H05K]
9712083 Method and device for switching operation mode of a five-level inverterNov 11, 15Jul 18, 17[H02M]
9692321 Five level inverterDec 04, 13Jun 27, 17[H02M]

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Expired/Abandoned/Withdrawn Patents

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