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Pat. 10122288 United States, Int. Cl.22 H02M 5/12, H02M 5/22. Transformer composed of a front stage circuit and a rear stage circuit : Appl. N 15/509296 : Filed 09.10.2015 : Pub. 06.11.2018 : / Hideaki Nakahata, Kenichi Hirotsu, Takashi Ohira, Kyohei Yamada, Daiya Egashira ; Assignee Toyohashi University of Technology Nuc, Sumitomo Electric Industries Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10122288/en?oq=US10122288.html (дата обращения: ДД.ММ.ГГГГ).