Inventor
Chang Hyun Sung
Inventor
Daejeon, KR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B60Lprimary
B60LPropulsion of electrically-propelled vehicles14%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy14%
H02JElectric power networks14%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
Y02TClimate change mitigation technologies related to transportation14%
B60YIndexing scheme relating to aspects cross-cutting vehicle technology7%
G01RMeasuring electric variables7%
H10BElectronic memory devices7%
H10DInorganic electric semiconductor devices7%
PatentTitleYear
11,072,242Off-prevention circuit of contactor202110,971,763Battery pack management device202110,908,199Device and method for measuring insulation resistance of battery pack by using negative electrode relay20216,913,968'Method and structure for vertical DRAM devices with self-aligned upper trench shaping'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005Patents assigned to IBM (1)· patent assignee history
2005Based in Poughkeepsie, NY, US· patent location history
2021Patents assigned to LG CHEMICAL LTD (3)· patent assignee history
2021Based in Daejeon, KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LG CHEMICAL LTD | 3 | 2021 |
| IBM | 1 | 2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Daejeon, KR | 3 | 2021 |
| Poughkeepsie, New York, US | 1 | 2005 |