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LS IND SYSTEMS CO LTD

Overview
  • Total Patents
    1,739
  • GoodIP Patent Rank
    112,887
  • Filing trend
    ⇩ 100.0%
About

LS IND SYSTEMS CO LTD has a total of 1,739 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1996. It filed its patents most often in Republic of Korea, China and Japan. Its main competitors in its focus markets electrical machinery and energy, measurement and control are ZHEJIANG CHINT ELECTRIC APPLIANCE CO LTD, MERLIN GERIN and MOELLER GMBH.

Patent filings per year

Chart showing LS IND SYSTEMS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ahn Kil Young 64
#2 Hong Jin Kuk 36
#3 Ahn Kil-Young 34
#4 Ryoo Jeong Ki 34
#5 Kim Hyun Jae 32
#6 Oh Ki-Hwan 29
#7 Choo Jae Yul 29
#8 Yang Hong Ik 23
#9 Yang Hong-Ik 21
#10 Lee Sang Chul 21

Latest patents

Publication Filing date Title
CN109390189A Trip gear
CN109390190A Breaker
CN109390191A Breaker and its buckle releaser
CN109390914A The guard method of frequency converter charging circuit and device
CN107221482A Direct current cutting unit and dc circuit breaker
CN107221476A Inturruptor for sub-line
CN106367916A Unbalance protection method of industrial washing machine
CN106374731A Frequency conversion driving circuit, over current protection method and over current protection device
CN106385217A Control method of frequency converter and control device
CN106160710A IGBT drive circuit, IGBT current foldback circuit and method
CN105629805A Safety stop device
CN105529225A DC cut-off unit and DC circuit breaker
CN104898055A Motor state determining method and device
CN104901528A Method and device for improving low-frequency wobble of motor
CN104734476A Over-voltage protective device and switching power supply device with same
CN104035386A Frequency converter controller and frequency converter control method
CN104038050A Bus voltage sampling apparatus
CN102769311A Charging stand, charging system, and charging method thereof
JP2012174688A Circuit breaker
CN102543504A Spring housing unit connected with spring actuator for switchgear