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Pat. 11165343 United States, Int. Cl.22 H02M 3/07, H02M 3/158. Power supply circuit and power supply apparatus : Appl. N 16/611922 : Filed 01.05.2018 : Pub. 02.11.2021 : / Masahiro Ichihashi, Kenya Kondou, Kazumasa Nishimura, Syou Mitsuishi, Toshio Suzuki, Nobuhiko Shigyo, Masayuki Katakura, Motoyasu Yano ; Assignee Sony Semiconductor Solutions Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11165343/en?oq=US11165343.html (дата обращения: ДД.ММ.ГГГГ).