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Pat. 11368088 United States, Int. Cl.22 H02M 3/158, H05H 1/24. Power supply device and method for controlling power supply device : Appl. N 16/473404 : Filed 23.02.2017 : Pub. 21.06.2022 : / Itsuo Yuzurihara, Ryosuke Ohma, Hiroshi Kunitama, Yu Hosoyamada ; Assignee Kyosan Electric Manufacturing Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11368088/en?oq=US11368088.html (дата обращения: ДД.ММ.ГГГГ).