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Pat. 11239021 United States, Int. Cl.22 H01F 27/28, H01F 27/24, H01F 30/10, H02M 3/28, H01F 27/00, H01F 27/02, H02M 3/335. Isolated converter : Appl. N 16/310667 : Filed 10.03.2017 : Pub. 01.02.2022 : / Koji Nakajima, Shota Sato, Yuji Shirakata, Kenta Fujii, Jun Tahara ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11239021/en?oq=US11239021.html (дата обращения: ДД.ММ.ГГГГ).