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Pat. 10862311 United States, Int. Cl.22 H02J 3/38, H02M 1/00, H02M 3/335, H02M 3/337, H02M 7/49, H02M 7/5387. Power conversion device and method for controlling power conversion device : Appl. N 16/328959 : Filed 05.10.2016 : Pub. 08.12.2020 : / Mitsuhiro Kadota, Akihiko Kanouda, Yasuaki Norimatsu, Takae Shimada ; Assignee Hitachi Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10862311/en?oq=US10862311.html (дата обращения: ДД.ММ.ГГГГ).