XJ ELECTRIC CO.,LTD

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 6153
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 671
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
B01D SEPARATION 1133
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 199
 
  
 
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 1101
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0163,024 METHOD FOR PREVENTING DIFFERENTIAL PROTECTION MALOPERATION OF OPTICAL FIBER CAUSED BY SATURATION OF SINGLE CT OF 3/2 CONNECTIONNov 15, 16Jun 08, 17[H02H]
2017/0085,076 SETTING AND COORDINATION CALCULATION METHOD FOR PROTECTION SETTING VALUE OF DC SYSTEMMar 21, 16Mar 23, 17[G06F, H02H]
2017/0045,567 MONITORING METHOD AND SYSTEM OF ARRESTER APPLIED TO SMART SUBSTATIONMar 22, 16Feb 16, 17[G01R, H02H]
2017/0003,334 RAPID ONLINE DIAGNOSIS METHOD OF OPEN-CIRCUIT FAULT FOR HIGH-POWER RECTIFIERMar 21, 16Jan 05, 17[G01R, H02H]
2016/0377,694 METHOD AND SYSTEM FOR CORRECTING ACQUISITION CHANNEL OF MERGING UINIT IN POWER SYSTEMMar 21, 16Dec 29, 16[G01R]
2016/0320,437 Frequency Measuring Method and Measuring Device For Electricity SystemMar 21, 16Nov 03, 16[G01R]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9904588 Method of preventing misoperations about a relay protection device in a smart substationMar 21, 16Feb 27, 18[G06F, H02H]
9667131 Differential protection method for bridge circuit in current converter control systemMar 22, 16May 30, 17[H02M]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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