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Pat. 9973101 United States, Int. Cl.22 H02M 5/04, H02M 5/16, H02M 5/297, H02M 1/00. Power conversion device that converts AC to AC : Appl. N 15/116539 : Filed 27.01.2015 : Pub. 15.05.2018 : / Satoshi Ogasawara, Agnes Hadinata, Takashi Hyodo ; Assignee Hokkaido University Nuc, Omron Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9973101/en?oq=US9973101.html (дата обращения: ДД.ММ.ГГГГ).