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Pat. 9923453 United States, Int. Cl.22 H02M 3/158, H01L 35/02, H02M 1/36. Power management device for energy harvesting : Appl. N 15/603815 : Filed 24.05.2017 : Pub. 20.03.2018 : / Sang-Gug Lee, Baek-Min Lim, Jeong-Il Seo, Young-Seok Noh, Hyun-Mo Gu ; Assignee Korea Advanced Institute of Science and Technology Kaist ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9923453/en?oq=US9923453.html (дата обращения: ДД.ММ.ГГГГ).