Inventor · disambiguated record
Ju Young Chang
Also filed as: CHANG JU YOUNG
3 granted patents·0 citations·filing 2013–2014
39Inventor score
Technology areasH02M
Files withPOSCO ENERGY CO LTD3
Top patents by PatentIndex Score
3 records- 0143US9793789B2Apparatus and method for protecting grid-connected inverter from occurrence of low grid voltagePOSCO ENERGY CO LTD·Filed 2014·Granted Oct 17, 2017·0 cites·4 claims
- 0242US9712043B2Apparatus and method for controlling overcurrent of grid-connected inverter due to abnormal grid voltagePOSCO ENERGY CO LTD·Filed 2014·Granted Jul 18, 2017·0 cites·4 claims
- 0342US9509207B2Apparatus for compensating for ripple and offset of inverter and method thereforPOSCO ENERGY CO LTD·Filed 2013·Granted Nov 29, 2016·0 cites·42 claims
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