Inventor
Jung Wook Sim
Inventor
Cheongju-si, KR
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Hprimary
H02HEmergency protective circuit arrangements40%
H01HElectric switches33%
G01RMeasuring electric variables10%
H03KPulse technique8%
C07CAcyclic or carbocyclic compounds3%
H01FMagnets3%
H10NElectric solid-state devices not otherwise provided for3%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%
PatentTitleYear
10,818,454High speed switch202010,447,024Current circuit breaker201910,191,120Apparatus for detecting defect of electric power system201910,116,132Device for efficient direct current interruption201810,063,046Direct current circuit breaker and method using the same20189,948,084DC circuit breaker and circuit breaking method of the DC circuit breaker20189,599,654'Fault current detecting circuit'20179,490,628'Fault current limiter'20169,478,383'Fast switch'20169,093,838'Fault current detecting circuit'20158,830,646'Protection coordination system'20148,760,834'Fault current limiter'20148,749,938'Fault current limiter'20148,723,591'Method for driving IGBT'20148,335,060'Hybrid fault current limiter'20128,228,655'Fault current limiter'20128,184,420'Control module and fault current limiter with function of opening and closing'20128,077,438'Peak current limiting apparatus'20117,742,264'Hybrid-type superconducting fault current limiter'20105,171,881'Process for producing trimellitic acid'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2017Based in Cheongju-si, KR· patent location history
2011–2014Patents assigned to LEE GYEONG HO (8)· patent assignee history
2011–2014Patents assigned to SIM JUNG WOOK (8)· patent assignee history
2012–2014Patents assigned to CHOE WON JOON (6)· patent assignee history
2012–2014Patents assigned to BANG SEUNG HYUN (5)· patent assignee history
2012Based in Cheongju, KR· patent location history
2014–2020Patents assigned to LSIS CO LTD (14)· patent assignee history
2018–2019Based in Gyeonggi-do, KR· patent location history
2018Based in Sejong-si, KR· patent location history
2020Based in Anyang-si, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LSIS CO LTD | 14 | 2014–2020 |
| LEE GYEONG HO | 8 | 2011–2014 |
| SIM JUNG WOOKself | 8 | 2011–2014 |
| CHOE WON JOON | 6 | 2012–2014 |
| BANG SEUNG HYUN | 5 | 2012–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cheongju-si, KR | 11 | 2010–2017 |
| Gyeonggi-do, KR | 3 | 2018–2019 |
| Sejong-si, KR | 2 | 2018 |
| Anyang-si, KR | 1 | 2020 |
| Cheongju, KR | 1 | 2012 |