Assignee
LEE HYUN CHANG
KR·7 granted patents·4 pending applications·2 citations·filing 2009–2025
Top patents by PatentIndex Score
11 records- 0182USRE50683EMethod of detecting earth leaking point without interrupting a power supplyLEE HYUN CHANG·Filed 2023·Granted Dec 2, 2025·0 cites·2 claims
- 0280US10996285B2Method of detecting earth leaking point without interrupting a power supplyLEE HYUN CHANG·Filed 2017·Granted May 4, 2021·1 cites·2 claims
- 0374US11623477B2Tire compositionLEE HYUN CHANG·Filed 2022·Granted Apr 11, 2023·0 cites·5 claims
- 0471US10495679B2Mobile electric leakage detection device and methodLEE HYUN CHANG·Filed 2014·Granted Dec 3, 2019·1 cites·5 claims
- 0571US2025216436A1Device and method for detecting disconnection fault of overhead power lineLEE HYUN CHANG·Filed 2025·Application pending·0 cites
- 0671US2025216435A1Device and method for detecting buried power line using high-frequency low-power signalLEE HYUN CHANG·Filed 2025·Application pending·0 cites
- 0763US10520540B2Survey signal transmitterLEE HYUN CHANG·Filed 2017·Granted Dec 31, 2019·0 cites·6 claims
- 0852US11435379B2Device and method for detecting high-voltage power distribution line path having improved stabilityLEE HYUN CHANG·Filed 2019·Granted Sep 6, 2022·0 cites·8 claims
- 0949US2022075006A1Mobile electric leakage detection device and methodLEE HYUN CHANG·Filed 2021·Application pending·0 cites
- 1044US11435407B2Device and method for enhancing accuracy of detecting leakage currentLEE HYUN CHANG·Filed 2018·Granted Sep 6, 2022·0 cites·10 claims
- 1141US2009312971A1Apparatus and method for locating inferior parts in power distribution line equipment based on variation of radio frequency noise signalLEE HYUN-CHANG·Filed 2009·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →