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Pat. 10447172 United States, Int. Cl.22 H02M 7/21, H02K 47/04, H02M 5/458, H02M 7/217, H02M 7/219, H02P 9/10, H02P 11/06, H02P 27/06, H02P 29/024, H02P 29/032, H02M 1/00, H02M 1/32. Power regenerative converter and motor control device : Appl. N 15/573360 : Filed 21.07.2016 : Pub. 15.10.2019 : / Yoshitomo Hayashi, Yoji Tsutsumishita, Masaya Harakawa, Yuji Nojiri ; Assignee Mitsubishi Electric Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10447172/en?oq=US10447172.html (дата обращения: ДД.ММ.ГГГГ).