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Pat. 9923486 United States, Int. Cl.22 H02M 7/538, H02M 7/53862, H02M 7/5387, H02M 7/5395. Electric power conversion circuit including switches and bootstrap circuits, and electric power transmission system including electric power conversion circuit : Appl. N 15/590090 : Filed 09.05.2017 : Pub. 20.03.2018 : / Taiki Nishimoto, Atsushi Yamamoto, Shoichi Hara ; Assignee Panasonic Intellectual Property Management Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9923486/en?oq=US9923486.html (дата обращения: ДД.ММ.ГГГГ).