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)