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Pat. 9950898 United States, Int. Cl.22 H03K 17/04, B66B 1/34, H02M 7/00, H02M 7/537, H05K 7/14, H02M 1/32. Semiconductor device, inverter circuit, driving device, vehicle, and elevator : Appl. N 15/062410 : Filed 07.03.2016 : Pub. 24.04.2018 : / Kazuto Takao, Ryosuke Iijima, Tatsuo Shimizu, Teruyuki Ohashi ; Assignee Toshiba Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9950898/en?oq=US9950898.html (дата обращения: ДД.ММ.ГГГГ).