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Korea Patent: 10-2019-0078018
Tae Won Kim (김태원), Tae Joon Park (박태준), Katherine A. Kim (김예린), and Hyunji Lee (이현지). “Apparatus for control photovoltaic power generation (태양광 발전 제어 장치),” Korea Patent 10-2019-0078018 , July 4, 2019. (link to PDF)
Taiwan Patent: 108120919
Yu-Chen Liu, Chen Chen, De-Jia Lu, Yong-Long Syu, Kai-De Chen, Ching-Chia Chen, Katherine A. Kim, and Huang-Jen Chiu. “Transformer and Series Resonant Converter Including the Same (變壓器及包括其之串聯諧振式轉換器 ),” Taiwan Patent 108120919, June 17, 2019.
US Patent: US 9,799,779 B2
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