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Pat. 11316437 United States, Int. Cl.22 H02M 5/293, H02J 50/12, H02M 5/297, H02M 1/34. Electronic circuit and wireless power transmission device : Appl. N 16/944827 : Filed 31.07.2020 : Pub. 26.04.2022 : / Jun-Ichi Itoh, Keisuke Kusaka, Shunsuke Takuma, Koki Yamanokuchi, Shuichi Obayashi, Yasuhiro Kanekiyo ; Assignee Toshiba Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11316437/en?oq=US11316437.html (дата обращения: ДД.ММ.ГГГГ).