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Pat. 10109549 United States, Int. Cl.22 H01L 23/04, H01L 23/00, H01L 23/053, H01L 23/29, H01L 23/31, H01L 23/373, H01L 25/18, H01L 29/06, H01L 29/16, H01L 29/872, H02M 7/00, H02M 7/537, H02P 27/06. Semiconductor device and power conversion device using same : Appl. N 15/538907 : Filed 24.12.2014 : Pub. 23.10.2018 : / Takashi Hirao, Kan Yasui, Kazuhiro Suzuki ; Assignee Hitachi Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10109549/en?oq=US10109549.html (дата обращения: ДД.ММ.ГГГГ).