LS INDUSTRIAL SYSTEMS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01H ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES 7237
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 1067
 
  
 
1302 POWER TRANSFORMERS, RECTIFIERS, BATTERIES AND ACCUMULATORS728
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER566
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 4155
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 4443
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 490
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 483
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4281
 
  
 
H01F MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES 381

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9235405 Apparatus, system and method for upgrading firmware of energy metering deviceNov 05, 12Jan 12, 16[H04L, G06F]
9135394 Apparatus and method for detecting powerJan 27, 11Sep 15, 15[G06F, G01R]
8923992 Safety extension base and control method thereofJan 19, 11Dec 30, 14[G05B, G06F]
8912750 ChargerJan 24, 11Dec 16, 14[H02J, B60L]
8868629 Apparatus and method for communicating parameter of inverterMar 11, 11Oct 21, 14[G05B, G06F]
8861333 Dual port ethernet communication device with bypass functionMar 09, 11Oct 14, 14[H04L]
8816667 Maximum power point tracking methodJan 18, 11Aug 26, 14[G05F]
8742930 Gate systemMar 11, 11Jun 03, 14[G08B, G05B]
8735760 Gas insulated switchgearJan 13, 11May 27, 14[H01H]
8711913 Device and method for processing input data of protective relayJan 25, 11Apr 29, 14[H04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8588337 Vector modulatorExpiredJan 31, 11Nov 19, 13[H04L]
8581798 Radio frequency identification antennaExpiredJan 12, 11Nov 12, 13[H01Q]
8558126 Rotation pin correction mechanism for four poles mold cased circuit breakerExpiredDec 03, 10Oct 15, 13[H01H]
8537069 Radio frequency identification tagExpiredJan 05, 11Sep 17, 13[H01Q]
8451125 Reader based on RFIDExpiredOct 19, 10May 28, 13[G08B]
8420968 Switching mechanism capable of indicating contacts status and mold cased circuit breaker having the same mechanismExpiredDec 29, 09Apr 16, 13[H01H]
8406915 Mobile rack for a library and RFID system for a library including the sameExpiredMar 24, 10Mar 26, 13[A47B, G06F, A47F]
8400229 Vector modulator using time delay and phase shifterExpiredMar 07, 11Mar 19, 13[H03K]
8395502 RFID system using circular polarized antennaExpiredMar 09, 10Mar 12, 13[G08B]
8395550 Micro strip antennaExpiredFeb 26, 10Mar 12, 13[H01Q]
8350674 RFID tag including a loop antenna and RFID system using the RFID tagExpiredMar 27, 09Jan 08, 13[H04Q]
8265101 Synchronization control device of slave devices connected to network and method thereofExpiredOct 14, 09Sep 11, 12[H04L, H04J]
8207459 Mold cased circuit breakerExpiredJul 15, 09Jun 26, 12[H01H]
8188818 RelayExpiredJul 14, 09May 29, 12[H01H]
2011/0199,195 POWER LINE COMMUNICATION SYSTEM BASED ON CONSTANT CURRENT SOURCEAbandonedFeb 15, 11Aug 18, 11[G05B]
2011/0179,342 COMMUNICATION ERROR MONITORING SYSTEM OF POWER DEVICE BASED ON ETHERNET AND METHOD THEREOFAbandonedDec 28, 10Jul 21, 11[H03M, G06F]
2011/0048,911 SLIDE TYPE MOVABLE CONTACTOR ASSEMBLY FOR CIRCUIT BREAKERAbandonedAug 18, 10Mar 03, 11[H01H]
2011/0046,827 APPARATUS AND METHOD FOR CONTROLLING SPEED IN AUTOMATIC TRAIN OPERATIONAbandonedAug 13, 10Feb 24, 11[G05D]
2010/0231,164 CHARGING SYSTEM FOR ELECTRIC VEHICLEAbandonedJun 09, 09Sep 16, 10[H02J]
2010/0231,357 RFID ANTENNA SYSTEM AND CONTROL METHOD OF THE SAMEAbandonedMar 10, 10Sep 16, 10[H04Q]

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